CVE-2022-28907
Published: 10 May 2022
Summary
CVE-2022-28907 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
CVE-2022-28907 is a command injection vulnerability (CWE-78) affecting the TOTOLink N600R router running firmware version V5.3c.7159_B20190425. The flaw resides in the hosttime function exposed at the /setting/NTPSyncWithHost endpoint and carries a CVSS 3.1 score of 9.8.
An unauthenticated attacker with network access can supply crafted input to the affected endpoint and execute arbitrary operating-system commands on the device. Successful exploitation grants full control over the router, enabling actions such as credential theft, traffic interception, or use of the device in further attacks.
Public references consist of proof-of-concept material hosted in a GitHub repository that demonstrates the injection vector; no vendor advisory or firmware patch information is provided in the available sources. The CVE’s EPSS score has remained near 0.10–0.11, indicating moderate but not sharply increasing exploitation interest since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33342
Vulnerability details
TOTOLink N600R V5.3c.7159_B20190425 was discovered to contain a command injection vulnerability via the hosttime function in /setting/NTPSyncWithHost.
- 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.