MediaTek - CraftedSignal Threat Feedhttps://feed.craftedsignal.io/vendors/mediatek/Trending threats, MITRE ATT&CK coverage, and detection metadata. Fed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioTue, 11 Aug 2026 10:08:22 +0000MediaTek mt76 Wireless Driver Memory Access Vulnerabilityhttps://feed.craftedsignal.io/briefs/2026-08-mt76-vulnerability/Tue, 11 Aug 2026 10:08:22 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-08-mt76-vulnerability/CVE-2026-68310 in the MediaTek mt76 wireless driver for mt7915 chipsets allows for potential memory access issues due to inadequate validation during HE capability lookups.Microsoft has disclosed CVE-2026-68310, a vulnerability affecting the MediaTek mt76 wireless driver stack, specifically impacting the mt7915 chipset. The flaw stems from improper handling and insufficient validation of High Efficiency (HE) capability lookups within the driver. An attacker capable of sending specially crafted wireless frames to an affected interface could trigger system instability or unauthorized memory access within the driver's execution context. This vulnerability is primarily a concern for environments utilizing MediaTek mt7915 hardware, as it resides within kernel-space driver code. While the disclosure identifies the flaw as a stability and memory safety issue, defenders should prioritize patching of the wireless stack to prevent potential exploitation for denial-of-service or remote code execution scenarios.

Impact

Successful exploitation of this vulnerability could result in kernel-level memory corruption or system crashes, leading to a denial-of-service condition for the affected wireless interface. Given the nature of the driver, impacts are most critical in environments where the mt7915 chipset handles high-traffic or public-facing wireless connectivity. There are no currently reported victim counts or specific sectoral targets, but the wide prevalence of MediaTek chipsets in consumer and enterprise networking hardware suggests a broad attack surface.

Recommendation

Detection engineering teams should focus on identifying abnormal kernel-space activity or driver crashes associated with wireless network stacks.

  • Monitor system logs for kernel panics or driver-related errors originating from the mt76 driver stack using local OS telemetry.
  • Patch affected systems by updating the wireless driver or firmware to the version provided by the hardware vendor to remediate the HE capability lookup logic.
  • Review network infrastructure configuration to restrict exposure of wireless management interfaces where feasible.
]]>lowadvisoryvulnerabilitynetworkinginformationalNULL Pointer Dereference Vulnerability in MediaTek mt76 Wi-Fi Driverhttps://feed.craftedsignal.io/briefs/2026-08-mt76-null-ptr/Tue, 11 Aug 2026 10:08:10 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-08-mt76-null-ptr/A NULL pointer dereference vulnerability exists in the MediaTek mt76 driver within the mt76_connac_mcu_uni_bss_he_tlv function, potentially leading to kernel panic or denial-of-service conditions.CVE-2026-68309 identifies a security vulnerability within the mt76 kernel driver used for MediaTek Wi-Fi chipsets. The issue is located in the mt76_connac_mcu_uni_bss_he_tlv() function. A lack of proper validation when processing BSS HE (High Efficiency) TLV data structures can lead to a NULL pointer dereference. This flaw is triggered during the processing of wireless management frames or specific hardware communication packets. If exploited, an attacker capable of sending specially crafted frames to the affected wireless interface could cause the kernel to crash, resulting in a system denial-of-service. This vulnerability primarily affects devices utilizing the MediaTek mt76 driver stack, which is commonly found in Linux-based wireless network hardware.

Impact

Successful exploitation of this vulnerability results in kernel instability, typically manifesting as a system crash or hang. This denial-of-service condition affects the availability of the network interface and the host system. As the driver operates within the kernel space, this flaw poses a risk to devices ranging from embedded Wi-Fi access points to laptops and IoT devices relying on MediaTek chipsets for wireless connectivity.

Recommendation

  1. Patch the Linux kernel or firmware associated with MediaTek mt76 drivers to the version addressing CVE-2026-68309.
  2. Implement kernel hardening measures, such as enabling PAN (Privileged Access Never) or SMAP (Supervisor Mode Access Prevention), to mitigate the impact of kernel-level pointer dereference vulnerabilities.
  3. Monitor system logs for kernel oops or panic messages specifically referencing the mt76 driver during periods of high wireless traffic.
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