CVE-2022-25438
Published: 18 March 2022
Summary
CVE-2022-25438 is a critical-severity OS Command Injection (CWE-78) vulnerability in Tenda Ac9 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
Tenda AC9 firmware version 15.03.2.21 contains a remote command execution vulnerability in the SetIPTVCfg function, classified under CWE-78 as improper neutralization of special elements used in an OS command. The flaw received a CVSS 3.1 base score of 9.8, reflecting network attack vector, low complexity, and no required privileges or user interaction, with high impact on confidentiality, integrity, and availability.
An unauthenticated attacker with network access can supply crafted input to the affected function and execute arbitrary commands on the device, resulting in full control over the router. Public proof-of-concept code demonstrating the issue has been published on GitHub.
The EPSS score reached a peak of 0.1592 and currently stands at 0.1271, indicating moderate and sustained exploitation interest after disclosure. No vendor advisory or patch information appears in the available references.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-30108
Vulnerability details
Tenda AC9 v15.03.2.21 was discovered to contain a remote command execution (RCE) vulnerability via the SetIPTVCfg function.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.