CVE-2022-27083
Published: 24 March 2022
Summary
CVE-2022-27083 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 firmware version 1.10 V1.0.0.12(4856) contains a command injection vulnerability in the /cgi-bin/uploadAccessCodePic component, tracked as CVE-2022-27083 and assigned CWE-77. The flaw received a CVSS 3.1 score of 9.8, reflecting network-accessible exploitation without authentication or user interaction and resulting in full confidentiality, integrity, and availability impact.
An unauthenticated attacker can send a crafted request to the affected CGI endpoint and execute arbitrary operating-system commands on the device. Successful exploitation grants complete control over the router, enabling actions such as configuration changes, traffic interception, or persistence.
The EPSS score reached a peak of 0.1908 after disclosure before settling at the current value of 0.1285, indicating measurable post-publication exploitation interest that warrants renewed attention for any remaining exposed devices. Public references consist of technical write-ups on GitHub that detail the injection vector but provide no official vendor patch or mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-31623
Vulnerability details
Tenda M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /cgi-bin/uploadAccessCodePic.
- 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.