CVE-2022-28573
Published: 02 May 2022
Summary
CVE-2022-28573 is a critical-severity OS Command Injection (CWE-78) vulnerability in Dlink Dir-823 Pro Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 2.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
D-Link DIR-823-Pro firmware version 1.0.2 contains a command injection vulnerability in the SetNTPserverSeting function. The flaw, tracked as CVE-2022-28573 and assigned CWE-78, allows unsanitized input in the system_time_timezone parameter to be passed to an operating system command, resulting in a CVSS 3.1 score of 9.8.
Unauthenticated attackers with network access can supply a malicious timezone value to execute arbitrary commands on the device. Successful exploitation grants full control over the router, including the ability to alter configuration, intercept traffic, or use the device as a pivot point inside the target network.
Public references include a GitHub repository that demonstrates the injection and D-Link's security bulletin page, which is the vendor's designated location for firmware updates or mitigation guidance.
The CVE maintains an EPSS score near 0.47 at both its recorded peak and current value, indicating sustained exploitation interest after disclosure alongside the availability of proof-of-concept code.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33015
Vulnerability details
D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNTPserverSeting. This vulnerability allows attackers to execute arbitrary commands via the system_time_timezone parameter.
- 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.