CVE-2022-28494
Published: 23 March 2023
Summary
CVE-2022-28494 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink Cp900 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 9.4% 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 outdoor CPE CP900 version V6.3c.566_B20171026 contains a command injection vulnerability in the setUpgradeFW function, specifically through the filename parameter. The flaw is tracked as CVE-2022-28494, carries a CVSS v3.1 score of 9.8, and is associated with CWE-78 improper neutralization of special elements used in an OS command.
An unauthenticated attacker can supply a crafted request over the network to execute arbitrary commands on the device. Successful exploitation grants full control over the affected CPE, including the ability to read, modify, or delete data and to alter device behavior without any user interaction or credentials.
The EPSS score remains flat at 0.0566 with no material increase after disclosure. Public references consist solely of technical write-ups on GitHub that demonstrate the injection vector but contain no vendor advisory or patch information.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32936
Vulnerability details
TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the setUpgradeFW function via the filename parameter. 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
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.