CVE-2023-27232
Published: 28 March 2023
Summary
CVE-2023-27232 is a critical-severity Command Injection (CWE-77) vulnerability in Totolink A7100Ru Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 9.9% 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 in the web management interface. The flaw is triggered through the wanStrategy parameter passed to the /setting/setWanIeCfg endpoint and is tracked as CWE-77. The device firmware version listed is the only release explicitly identified as affected.
Unauthenticated attackers with network access can supply crafted input to the parameter and execute arbitrary operating-system commands. Successful exploitation yields full control over the device, allowing confidentiality, integrity, and availability impacts without requiring credentials or user interaction.
Public references consist of proof-of-concept material hosted on GitHub that demonstrates the injection. The EPSS score for the CVE rose from a low baseline to a peak of 0.3113 on 2025-01-22 before receding to its current value of 0.0516, indicating a period of increased exploitation interest well after the original disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-31012
Vulnerability details
TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the wanStrategy parameter at /setting/setWanIeCfg.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.