CVE-2022-28496
Published: 23 March 2023
Summary
CVE-2022-28496 is a critical-severity Command Injection (CWE-77) vulnerability in Totolink Cp900 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 15.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
TOTOLink outdoor CPE CP900 version V6.3c.566_B20171026 contains a command injection vulnerability in the setPasswordCfg function. The flaw is triggered through the adminuser and adminpass parameters and is tracked as CWE-77, carrying a CVSS 3.1 score of 9.8.
An unauthenticated attacker can submit a crafted network request to the affected device and execute arbitrary operating-system commands. Because the vulnerability is reachable over the network without credentials or user interaction, successful exploitation yields full control of the device.
Public references consist of technical write-ups hosted on GitHub that demonstrate the injection vector; no vendor advisory or firmware patch information is included in the supplied references. The associated EPSS score rose from low values to a peak of 0.0895 on 2025-01-22 before receding to the current 0.0209, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32938
Vulnerability details
TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 discovered to contain a command injection vulnerability in the setPasswordCfg function via the adminuser and adminpassparameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
- 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.