CVE-2022-38828
Published: 16 September 2022
Summary
CVE-2022-38828 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink T6 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 4.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
TOTOLINK T6 firmware version V4.1.5cu.709_B20210518 is affected by a command-injection vulnerability (CWE-78) in cstecgi.cgi. The flaw received a CVSS 3.1 score of 9.8, reflecting network-accessible attack vectors that require neither authentication nor user interaction.
An unauthenticated remote attacker can supply crafted input to the CGI endpoint and execute arbitrary operating-system commands on the device. Successful exploitation yields full confidentiality, integrity, and availability impact on the affected router.
Public references consist of technical write-ups hosted on GitHub that reproduce the injection condition; they contain no vendor advisory text or patch guidance. The associated EPSS score reached a peak of 0.1915 and currently stands at 0.1863.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-41387
Vulnerability details
TOTOLINK T6 V4.1.5cu.709_B20210518 is vulnerable to command injection via cstecgi.cgi
- 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.