CVE-2022-28575
Published: 05 May 2022
Summary
CVE-2022-28575 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
The vulnerability CVE-2022-28575 is a command injection flaw (CWE-78) in the setopenvpnclientcfg interface of the TOTOLINK A7100RU router running firmware version v7.4cu.2313_b20191024. It received a CVSS 3.1 score of 9.8, reflecting that the issue is remotely reachable without credentials or user interaction and can fully compromise confidentiality, integrity, and availability.
An unauthenticated attacker can supply a crafted payload to the affected interface and achieve arbitrary command execution on the device. Exploitation requires only network access to the router's management endpoints.
Public references consist of proof-of-concept repositories that document the injection vector and payload construction. The associated EPSS score reached a peak of 0.2031 and currently stands at 0.1871.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33017
Vulnerability details
It is found that there is a command injection vulnerability in the setopenvpnclientcfg interface in TOTOlink A7100RU (v7.4cu.2313_b20191024) router, which allows attackers 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.