CVE-2022-26290
Published: 24 March 2022
Summary
CVE-2022-26290 is a critical-severity OS Command Injection (CWE-78) vulnerability in Tenda M3 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 M3 firmware version 1.10 V1.0.0.12(4856) contains a command injection vulnerability in the /goform/WriteFacMac endpoint. The flaw is tracked as CVE-2022-26290 with a CVSS v3.1 score of 9.8 and is classified under CWE-78. The affected component accepts unsanitized input that is passed directly to an operating-system command, enabling arbitrary command execution on the device.
An unauthenticated attacker with network access can supply a crafted request to the web-management interface and obtain full control of the device, including the ability to read, modify, or delete data and to disrupt service. No authentication or user interaction is required, and the attack can be carried out remotely over the network.
Public proof-of-concept code demonstrating the injection has been published on GitHub, but no vendor advisory or firmware update addressing the issue is referenced in the available sources. The EPSS score reached a peak of 0.1406 and currently stands at 0.1285.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-30851
Vulnerability details
Tenda M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /goform/WriteFacMac.
- 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.