Network-Device

CVE-2026-18191 describes a critical Hidden Functionality vulnerability in Vacron VIN-DS783E-E6 devices that allows unauthenticated remote attackers to exploit a specific hidden function to obtain administrator credentials, leading to full device compromise.

A low-privileged remote attacker can exploit an incorrect behavior order vulnerability (CVE-2026-14169, CWE-696) in multiple ads-tec Industrial IT DVG-IRF series devices (versions prior to 2.3.0) by sending crafted input, leading to inconsistent account states and password overwrites, resulting in complete administrative unavailability of the device.

Multiple vulnerabilities exist in various Intel Ethernet products, which an attacker can exploit to trigger a denial-of-service condition and expose confidential information.

An attacker can exploit multiple vulnerabilities in OPNsense to bypass security controls, disclose information, perform Cross-Site Scripting (XSS) attacks, and execute Denial of Service (DoS) attacks.

A post-authentication command injection vulnerability (CVE-2026-6952) in the "LogServer" field of the syslog component in Zyxel AX7501-B1 firmware versions through 5.17(ABPC.7.2)C0 allows an authenticated attacker with administrator privileges to execute arbitrary OS commands on the affected device.

A stack-based buffer overflow vulnerability, identified as CVE-2026-15692, exists in Tenda BE12 Pro firmware version 16.03.66.23's `fromSafeUrlFilter` function, allowing remote attackers to achieve arbitrary code execution by manipulating the 'page' argument via a crafted HTTP request, with a public exploit available.

A critical remote stack-based buffer overflow vulnerability (CVE-2026-15691) has been discovered in Tenda BE12 Pro firmware 16.03.66.23, affecting the `fromSafeClientFilter` function and allowing remote attackers to achieve arbitrary code execution by manipulating the `page` argument, with a public exploit available.

A critical buffer overflow vulnerability, CVE-2026-15543, exists in the Tenda CH22 1.0.0.1 firmware's `formCertListInfo` function, allowing unauthenticated remote attackers to achieve arbitrary code execution by manipulating the 'Name' argument, with a public exploit available.

LuCI versions are vulnerable to CVE-2026-61876, a stored Cross-Site Scripting (XSS) flaw in their DHCPv6 lease hostname rendering logic, allowing an adjacent network attacker to inject malicious HTML markup that executes in an administrator's browser when viewing DHCP lease status pages.

A critical buffer overflow vulnerability (CVE-2026-15484) exists in the `sub_41EC14` function within the `/goform/tools_nslookup` component of the TRENDnet TEW-821DAP 1.12B01 wireless access point, which can be exploited remotely due to improper handling of the ssi element, potentially leading to arbitrary code execution on an End-of-Life device.

A critical remote command injection vulnerability (CVE-2026-15481) has been discovered in Trendnet TEW-635BRM routers up to version 1.00.03, allowing attackers to execute arbitrary commands by manipulating the 'ipoa_ipaddr' argument in the 'ipoa_test' function, with public exploits available for this End-of-Life product.

A critical vulnerability, CVE-2026-15479, in H3C NX15 V100R017 allows remote attackers to perform weak password recovery by manipulating the 'newPass' argument in the '/api/login/modify' endpoint, leading to unauthorized administrator access.

Juniper Networks has released security advisories to address multiple vulnerabilities across several products, including Juniper cRPD, CTPView, Network Director, Junos OS, Junos OS Evolved, Junos OS on MX Series with SPC3 and SRX Series, and Junos Space, with key vulnerabilities like a heap buffer overflow (CVE-2020-7450) and a memory leak (CVE-2026-33799) potentially leading to arbitrary code execution or denial of service.

An XML injection vulnerability (CVE-2026-0284) in the Large Scale VPN (LSVPN) functionality of Palo Alto Networks PAN-OS software allows an unauthenticated attacker with network access to inject malicious XML content, potentially leading to information disclosure or corruption of internal LSVPN satellite data.

A command injection vulnerability, CVE-2026-0286, in the management plane of Palo Alto Networks PAN-OS software allows an authenticated administrator to execute arbitrary OS commands as root on PA-Series and VM-Series firewalls and Panorama (virtual and M-Series) devices, potentially leading to high system compromise.

A server-side request forgery (SSRF) vulnerability, tracked as CVE-2026-0285, exists in the management web interface of Palo Alto Networks PAN-OS software, allowing an authenticated administrator with network access to make unauthorized requests from the firewall to internal services, potentially leading to information disclosure or further network compromise.

An authentication bypass vulnerability, CVE-2026-0283, in Palo Alto Networks PAN-OS software allows an unauthenticated attacker with network access to establish an unauthorized site-to-site VPN connection when LSVPN functionality with configured satellites is enabled, leading to potential access to internal network resources.

Palo Alto Networks has disclosed multiple low-severity cross-site scripting (XSS) vulnerabilities, CVE-2026-0279, in PAN-OS software affecting the User-ID Authentication Portal, GlobalProtect gateway/portal features, and Clientless VPN, which could allow a malicious unauthenticated user to inject and execute JavaScript in a victim's browser.

An information disclosure vulnerability (CVE-2026-0281) in Palo Alto Networks PAN-OS software allows an unauthenticated attacker to obtain web session tokens via user interaction with a malicious link, potentially leading to unauthorized access to the management interface.

An unauthenticated attacker with network access to the management web interface of Palo Alto Networks PAN-OS software can exploit CVE-2026-0282, a file deletion vulnerability, to delete files from a temporary directory, impacting PA-Series and VM-Series firewalls, and Panorama appliances.

A critical stack-based buffer overflow vulnerability (CVE-2026-14721) in UTT HiPER 1250GW firmware versions up to 3.2.7-210907-180535 allows remote, unauthenticated attackers to achieve arbitrary code execution by manipulating the 'ssid' argument in the /goform/ConfigWirelessBase_5g web endpoint, with public exploit disclosure indicating active exploitation risk.

WatchGuard has released security advisories to address critical vulnerabilities, including a race condition, use-after-free, and local privilege escalation, in its Fireware OS and Mobile VPN with SSL client for Windows, which could lead to remote code execution on appliances and local privilege escalation on client systems if not patched immediately.

Detection of FortiGate VPN SSL settings modification, such as authentication rules, linked to observed exploitation campaigns (e.g., CVE-2024-535), which threat actors leverage for persistence and unauthorized access after initial compromise.

This brief details a detection for the addition of a new VPN SSL Web Portal on FortiGate Firewalls, a configuration change that could be utilized by attackers for establishing persistence or initial access to external remote services, as indicated by observed modifications of VPN SSL settings.

This brief details the detection of firewall address objects being added on Fortinet FortiGate devices, a configuration change that, while potentially legitimate, can also indicate post-compromise activity or unauthorized access, especially when tied to vulnerabilities like FG-IR-24-535, enabling threat actors to bypass security controls or facilitate command and control.

This brief describes how to detect the creation of new administrator accounts on Fortinet FortiGate firewalls, a behavior often used by attackers for persistence (ATT&CK T1136.001) or to maintain unauthorized access after initial compromise.

Multiple vulnerabilities, including CVE-2026-47729 and CVE-2026-50012, have been identified in Squid proxy versions prior to 7.6, allowing an attacker to compromise data confidentiality and cause other unspecified security issues.

A stack-based buffer overflow vulnerability (CVE-2026-10293) exists in UTT HiPER 1200GW up to version 2.5.3-170306 due to the strcpy function in /goform/formFireWall, allowing remote exploitation via manipulation of the Profile argument.

A stack-based buffer overflow vulnerability (CVE-2026-10123) exists in TRENDnet TEW-432BRP version 3.10B20 within the formSetDomainFilter function, allowing a remote attacker to execute arbitrary code by manipulating specific arguments in a request to /goform/formSetDomainFilter.

An authenticated remote attacker can exploit a vulnerability in Hirschmann HiSecOS to escalate privileges, potentially gaining unauthorized access and control over the affected system.

Totolink A8000RU version 7.1cu.643_b20200521 is vulnerable to remote command injection via the setOpenVpnCfg function, allowing unauthenticated attackers to execute arbitrary commands on the device.

Totolink A8000RU version 7.1cu.643_b20200521 is vulnerable to command injection via the setStaticDhcpRules function in the /cgi-bin/cstecgi.cgi file, allowing remote attackers to execute arbitrary OS commands by manipulating the 'enable' argument, and a public exploit is available.

Taiko AG1000-01A SMS Alert Gateway Rev 7.3 and Rev 8 contains a hard-coded credential vulnerability (CVE-2026-9139) in the embedded web configuration interface, allowing unauthenticated attackers with network access to recover administrative credentials directly from client-side JavaScript and gain full administrative access to the device.

Huawei HG630 V2 router contains an authentication bypass vulnerability (CVE-2020-37220) that allows unauthenticated attackers to obtain administrative access by retrieving the device serial number via the `/api/system/deviceinfo` endpoint and using the last 8 characters as the default password.

A command injection vulnerability (CVE-2026-7256) in Zyxel WRE6505 v2 firmware allows an adjacent attacker on the LAN to execute arbitrary OS commands by sending a crafted HTTP request.

A buffer overflow vulnerability exists in TRENDnet TEW-821DAP version 1.12B01, allowing a remote attacker to execute arbitrary code by manipulating the 'str' argument in the auto_update_firmware function of the Firmware Update component.

Zyxel released a security advisory on April 28, 2026, addressing command injection vulnerabilities across multiple versions of their 4G LTE/5G NR CPE, DSL/Ethernet CPE, Fiber ONTs, and Wireless Extender products, potentially allowing attackers to execute arbitrary commands.

D-Link DWM-222W USB Wi-Fi Adapter is vulnerable to brute-force attacks due to a protection bypass, allowing unauthenticated adjacent network attackers to gain control over the device by circumventing login attempt limits.

A buffer overflow vulnerability (CVE-2026-6560) in H3C Magic B0 up to 100R002 allows remote attackers to execute arbitrary code by manipulating the 'param' argument in the Edit_BasicSSID function of the /goform/aspForm file.

A remote OS command injection vulnerability (CVE-2026-5677) exists in the CsteSystem function of the /cgi-bin/cstecgi.cgi file in Totolink A7100RU firmware version 7.4cu.2313_b20191024 due to improper handling of the resetFlags argument.

Hirschmann EagleSDV devices are vulnerable to denial-of-service (DoS) attacks where a device crash can be triggered by establishing TLS 1.0 or TLS 1.1 connections, leading to service disruption.

A remote OS command injection vulnerability exists in the Linksys MR9600 router version 2.0.6.206937, allowing attackers to execute arbitrary commands by manipulating specific function arguments via the SmartConnect.lua file.

A stack-based buffer overflow vulnerability (CVE-2026-4555) exists in the formEasySetTimezone function of the /goform/formEasySetTimezone file within the boa component of D-Link DIR-513 1.10, allowing remote attackers to execute arbitrary code.

A remote OS command injection vulnerability exists in the Totolink A8000RU router version 7.1cu.643_b20200521, allowing attackers to execute arbitrary commands by manipulating the 'tty_server' argument in the 'setAdvancedInfoShow' function.

The analytic detects file copy operations from Cisco ASA devices to remote locations using protocols like TFTP, FTP, HTTP, HTTPS, SMB, or SCP, potentially indicating data exfiltration by threat actors targeting network devices.

DrayTek Vigor 2960 firmware versions prior to 1.5.1.4 are vulnerable to OS command injection (CVE-2022-50994) in the CGI login handler, allowing unauthenticated remote attackers to execute arbitrary commands by injecting shell metacharacters into the formpassword parameter if the target account has MOTP enabled.