CVE-2022-28577
Published: 05 May 2022
Summary
CVE-2022-28577 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
A command injection vulnerability tracked as CVE-2022-28577 affects the delParentalRules interface in the TOTOLINK A7100RU router running firmware version v7.4cu.2313_b20191024. The flaw, assigned CWE-78 and a CVSS 3.1 base score of 9.8, permits an attacker to supply a crafted payload that results in execution of arbitrary operating-system commands.
An unauthenticated attacker with network access can exploit the issue without user interaction, achieving full confidentiality, integrity, and availability impact on the device. Public proof-of-concept material demonstrates remote code execution via the parental-control deletion endpoint.
The two reference URLs consist of GitHub repositories containing vulnerability details and exploit code; they contain no vendor advisory, patch information, or mitigation guidance. The associated EPSS score has remained in the 0.19 range with only minor fluctuation between current and peak values.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33019
Vulnerability details
It is found that there is a command injection vulnerability in the delParentalRules 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.