CVE-2022-28911
Published: 10 May 2022
Summary
CVE-2022-28911 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink N600R Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 6.7% 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 N600R V5.3c.7159_B20190425 contains a command injection vulnerability, tracked as CVE-2022-28911 and assigned CWE-78, that is reachable via the filename parameter to the /setting/CloudACMunualUpdate endpoint. The flaw carries a CVSS 3.1 score of 9.8, reflecting network attack vector, low attack complexity, and no requirement for authentication or user interaction.
An unauthenticated remote attacker can supply a crafted filename value that results in arbitrary operating-system command execution on the device, granting the ability to read, modify, or delete data and to disrupt device operation. Public proof-of-concept material describing the injection point has been published on GitHub.
The EPSS score for the CVE reached a peak of 0.1127 and currently stands at 0.1026; no vendor advisory or firmware update addressing the issue appears among the available references.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33346
Vulnerability details
TOTOLink N600R V5.3c.7159_B20190425 was discovered to contain a command injection vulnerability via the filename parameter in /setting/CloudACMunualUpdate.
- 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.