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 l…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.028 (86.3th percentile) — read the EPSS interpretation.
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.
Affected products
- D-link Dir-806a1 — versions 100CNb11, 108B03
- D-link Dir-890l — versions 100CNb11, 108B03
Weakness classification (CWE)
References
- VDB-307458 | D-Link DIR-890L/DIR-806A1 soap.cgi sub_175C8 command injection (vdb-entry, technical-description)
- VDB-307458 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #556092 | D-Link DIR-890 L A1 DIR-806A1 DIR-890 L A1<=108B03 DIR-806A1<=100CNb11 Command execution (third-party-advisory)
- github.com/CH13hh/tmp_store_cc/blob/main/tt/1.md (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2025-4340?
- CVE-2025-4340 is a medium-severity vulnerability in D-link Dir-806a1, classified under Command 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.