{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/zte/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.1,"id":"CVE-2026-40436"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["cve","password-reset","zte","zxedm","cloud"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eCVE-2026-40436 is a critical vulnerability affecting ZTE ZXEDM iEMS, a cloud EMS portal, disclosed in April 2026. The vulnerability arises from inadequate access control within the user list acquisition function. An attacker, with low-level privileges (i.e., access to the cloud EMS portal), can exploit this flaw to retrieve a comprehensive list of all users managed by the system. Subsequently, leveraging the obtained user information, the attacker can reset passwords for targeted accounts, gaining unauthorized access and potentially compromising the entire system. The absence of proper authorization checks on the user list interface is the root cause. This allows an attacker to perform illegitimate password resets, leading to data breaches, service disruption, or further malicious activities within the iEMS environment.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker gains low-privileged access to the ZTE ZXEDM iEMS cloud EMS portal.\u003c/li\u003e\n\u003cli\u003eAttacker accesses the user list interface without proper authorization checks.\u003c/li\u003e\n\u003cli\u003eThe system improperly grants access to the full user list information.\u003c/li\u003e\n\u003cli\u003eAttacker extracts usernames and associated account details from the user list.\u003c/li\u003e\n\u003cli\u003eAttacker initiates a password reset request for a targeted user account.\u003c/li\u003e\n\u003cli\u003eThe system, lacking proper validation, allows the attacker to reset the password.\u003c/li\u003e\n\u003cli\u003eAttacker uses the newly reset password to log in to the targeted user account.\u003c/li\u003e\n\u003cli\u003eAttacker performs unauthorized operations, potentially exfiltrating sensitive data or disrupting services.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-40436 could lead to a complete compromise of the ZTE ZXEDM iEMS system. The ability to reset passwords for any user grants the attacker full control over affected accounts. Depending on the privileges associated with compromised accounts, an attacker could gain access to sensitive configuration data, customer information, or critical infrastructure controls. The lack of specific victim numbers or sectors targeted in the initial report suggests the scope is variable based on deployment. The CVSS score of 7.1 indicates a high potential for confidentiality, integrity, and availability impact.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the patch or upgrade to the latest version of ZTE ZXEDM iEMS as provided by ZTE to address CVE-2026-40436.\u003c/li\u003e\n\u003cli\u003eImplement stricter access control policies on the cloud EMS portal, specifically for the user list acquisition function, and test the effectiveness of the changes.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect Account Password Reset Activity\u0026rdquo; to identify suspicious password reset activity in the iEMS environment.\u003c/li\u003e\n\u003cli\u003eEnable and monitor authentication logs for unauthorized access attempts following password resets to detect potential exploitation.\u003c/li\u003e\n\u003cli\u003eReview user account privileges and enforce the principle of least privilege to minimize the impact of potential account compromise.\u003c/li\u003e\n\u003cli\u003eInvestigate any successful exploitation attempts using the system logs and network traffic to identify the scope of the breach and compromised data.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-13T07:16:50Z","date_published":"2026-04-13T07:16:50Z","id":"/briefs/2026-04-zte-zxedm-password-reset/","summary":"CVE-2026-40436 is a vulnerability in the ZTE ZXEDM iEMS product that allows attackers to reset user passwords due to improper access control on the user list acquisition function within the cloud EMS portal, potentially leading to unauthorized operations and system compromise.","title":"ZTE ZXEDM iEMS Password Reset Vulnerability (CVE-2026-40436)","url":"https://feed.craftedsignal.io/briefs/2026-04-zte-zxedm-password-reset/"}],"language":"en","title":"CraftedSignal Threat Feed — Zte","version":"https://jsonfeed.org/version/1.1"}