CVE-2024-42634: Tenda AC9 · Code Injection
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 2.2% chance of exploitation in 30 days – higher than 82% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Aug 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
To mitigate CVE-2024-42634, organizations should immediately implement the following measures: 1) Disable remote management interfaces on the Tenda AC9 router to prevent external access to the vulnerable httpd service. 2) Restrict network access to the router's management interface by applying firewall rules or network segmentation, allowing only trusted internal IP addresses. 3) Monitor network traffic and router logs for unusual commands or connections indicative of exploitation attempts. 4) If possible, replace affected Tenda AC9 routers with alternative devices from vendors with timely security updates. 5) Regularly check for firmware updates from Tenda and apply patches as soon as they become available. 6) Educate users about the risks of using default credentials and ensure strong, unique passwords are set on all network devices. 7) Consider deploying network intrusion detection/prevention systems (IDS/IPS) to detect exploitation attempts targeting this vulnerability. These steps provide layered defense until an official patch is released and applied.
Description
A Command Injection vulnerability exists in formWriteFacMac of the httpd binary in Tenda AC9 v15.03.06.42. As a result, attacker can execute OS commands with root privileges.