CVE-2022-48123
Published: 20 January 2023
Summary
CVE-2022-48123 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 5.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
TOTOlink A7100RU V7.4cu.2313_B20191024 contains a command injection vulnerability via the servername parameter in the setting/delStaticDhcpRules function. The issue is tracked as CVE-2022-48123, carries a CVSS 3.1 score of 9.8, and is categorized under CWE-78.
An unauthenticated attacker can exploit the flaw remotely over the network without user interaction to execute arbitrary commands, resulting in complete loss of confidentiality, integrity, and availability on the affected device. The EPSS score has remained flat at 0.1490 with no material increase after disclosure.
Public references consist of proof-of-concept material hosted on GitHub but contain no vendor advisory or patch information.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-50835
Vulnerability details
TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the servername parameter in the setting/delStaticDhcpRules function.
- 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.