RCE in D-Link Dir-806a1
CVE-2025-4340
A vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03. Affected is the function sub_175C8 of the file /htdocs/soap.cgi. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.049 · change: +0.001
Affected products
- D-Link Dir-806a1 — versions 100CNb11, 108B03
- D-Link Dir-890l — versions 100CNb11, 108B03
- Dlink Dir-806 — versions a1
- Dlink Dir-806 Firmware
- Dlink Dir-890l — versions a1
- Dlink Dir-890l Firmware
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/CH13hh/tmp_store_cc/blob/main/tt/1.md (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2025-4340?
- CVE-2025-4340 is a medium-severity vulnerability in D-Link Dir-806a1, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-05-06.
- How severe is CVE-2025-4340?
- Medium severity. CVSS v3 base score is 6.3 out of 10.