CVE-2022-26536
Published: 24 March 2022
Summary
CVE-2022-26536 is a critical-severity Command Injection (CWE-77) 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 1.10 running firmware V1.0.0.12(4856) contains a command injection vulnerability in the /goform/setFixTools endpoint, tracked as CWE-77 and rated 9.8 under CVSS 3.1. The affected component accepts unsanitized input that is passed directly to an operating-system command interpreter.
Because the vulnerability is reachable over the network without authentication or user interaction, an attacker can supply crafted parameters to the endpoint and execute arbitrary commands on the device. Successful exploitation grants the attacker full control over confidentiality, integrity, and availability of the router.
Public references consist of technical write-ups and proof-of-concept code hosted on GitHub; they contain no vendor advisory, firmware update, or mitigation guidance.
The CVE’s EPSS score reached a peak of 0.1908 and currently stands at 0.1285.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-31092
Vulnerability details
Tenda M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /goform/setFixTools.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.