CVE-2022-28580
Published: 05 May 2022
Summary
CVE-2022-28580 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink A7100Ru 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
CVE-2022-28580 is a command injection vulnerability, tracked under CWE-78, that affects the setL2tpServerCfg interface in the TOTOLINK A7100RU router running firmware version 7.4cu.2313_b20191024. The flaw permits an unauthenticated remote attacker to supply a crafted payload that results in arbitrary command execution on the device.
An attacker with network access can exploit the issue without authentication or user interaction to achieve full control over the router, including the ability to read, modify, or delete data and disrupt device operation. The vulnerability carries a CVSS 3.1 base score of 9.8, reflecting its critical severity due to the network attack vector and lack of required privileges.
Public proof-of-concept code has been published on GitHub detailing the injection vector. The CVE maintains an EPSS score with a current value of 0.1871 and a recorded peak of 0.2031, indicating sustained exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33022
Vulnerability details
It is found that there is a command injection vulnerability in the setL2tpServerCfg interface in TOTOlink A7100RU (v7.4cu.2313_b20191024) router, which allows an attacker to execute arbitrary commands through a carefully constructed payload.
- 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.