CVE-2022-26213
Published: 15 March 2022
Summary
CVE-2022-26213 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink X5000R Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 3.1% 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 X5000R_Firmware version 9.1.0u.6118_B20201102 contains a command injection vulnerability tracked as CVE-2022-26213 and assigned CWE-78. The flaw resides in the setNtpCfg function and is triggered through the tz parameter, enabling an attacker to supply a crafted value that is passed directly to a system command without proper sanitization.
The vulnerability can be exploited remotely by an unauthenticated attacker over the network. Successful exploitation allows arbitrary command execution with the privileges of the affected process, resulting in complete compromise of confidentiality, integrity, and availability as reflected in the CVSS 3.1 base score of 9.8.
The two provided references point to the same GitHub disclosure that demonstrates the issue but contain no vendor advisory, patch information, or mitigation guidance. The associated EPSS score has remained flat at 0.3151 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-30777
Vulnerability details
Totolink X5000R_Firmware v9.1.0u.6118_B20201102 was discovered to contain a command injection vulnerability in the function setNtpCfg, via the tz parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
- 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.