CVE-2022-26214
Published: 15 March 2022
Summary
CVE-2022-26214 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink A830R Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 3.6% 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 A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 contain a command injection vulnerability in the NTPSyncWithHost function. The flaw, identified as CVE-2022-26214 and assigned CWE-78, permits arbitrary command execution through the host_time parameter and carries a CVSS 3.1 score of 9.8 reflecting network access without authentication or user interaction.
Remote attackers can supply crafted input to the affected parameter and achieve full command execution on the device. Public references consist of technical disclosure reports hosted on GitHub that detail the injection vector but provide no official vendor advisories or patch information. The associated EPSS score has remained flat at 0.2647 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-30778
Vulnerability details
Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function NTPSyncWithHost. This vulnerability allows attackers to execute arbitrary commands via the host_time parameter.
- 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.