RCE in D-Link Dir-825
CVE-2022-43647
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-825 1.0.9/EE routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the xupnpd service, which listens on TCP port 4044. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the admin user. Was ZDI-CAN-19464.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (61.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- D-Link Dir-825 — versions 1.0.9
- Dlink Dir-825\/ac — versions g1a
- Dlink Dir-825\/ac Firmware
- Dlink Dir-825\/ee — versions r2
- Dlink Dir-825\/ee Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- supportannouncement.us.dlink.com/announcement/publication.aspx (Patch, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-1706/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-43647?
- CVE-2022-43647 is a high-severity vulnerability in D-Link Dir-825, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-03-29.
- How severe is CVE-2022-43647?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-43647 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.