CVE-2022-28578
Published: 05 May 2022
Summary
CVE-2022-28578 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-2022-28578 is a command injection vulnerability (CWE-78) affecting the setOpenVpnCfg interface in the TOTOLINK A7100RU router running firmware version 7.4cu.2313_b20191024. The flaw carries a CVSS 3.1 base score of 9.8 and permits an attacker to supply a crafted payload that results in arbitrary command execution on the device.
Unauthenticated attackers with network access can exploit the issue without user interaction or credentials, achieving full control over the router including the ability to read, modify, or delete data and disrupt device operation.
Public references consist of GitHub repositories that document the vulnerability and provide proof-of-concept details; no vendor advisory or official patch information is included in the available references. The EPSS score has remained in the 0.19 range with a modest peak of 0.2031 and shows no material post-disclosure climb.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33020
Vulnerability details
It is found that there is a command injection vulnerability in the setOpenVpnCfg 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.