CVE-2022-28581
Published: 05 May 2022
Summary
CVE-2022-28581 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-2022-28581 is a command injection vulnerability, tracked under CWE-78, that affects the setWiFiAdvancedCfg 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, reflected in its CVSS 3.1 base score of 9.8.
An attacker with network access to the router's management interface can exploit the issue without authentication or user interaction. Successful exploitation grants full control over the device, allowing the attacker to read or modify configuration data, install persistent malware, or use the router as a pivot point into the attached network.
Public proof-of-concept code demonstrating the injection has been published on GitHub. The CVE carries an EPSS score that has reached a peak of 0.2031 and currently sits at 0.1871, indicating sustained but not explosive interest from potential exploit authors since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33023
Vulnerability details
It is found that there is a command injection vulnerability in the setWiFiAdvancedCfg 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.