Buffer overflow in D-link Dir-825
CVE-2025-6291
A vulnerability, which was classified as critical, was found in D-Link DIR-825 2.03. This affects the function do_file of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. It is possible to ini…
Vulnerability class: Buffer Overflow
EPSS: 0.008 (74.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- D-link Dir-825 — versions 2.03
Weakness classification (CWE)
References
- VDB-313293 | D-Link DIR-825 HTTP POST Request do_file stack-based overflow (vdb-entry, technical-description)
- VDB-313293 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #593937 | dlink DIR-825 REVB_FIRMWARE_2.03 Stack-based Buffer Overflow (third-party-advisory)
- github.com/xiaobor123/vul-finds/tree/main/vul-find-dir825-dlink (related)
- github.com/xiaobor123/vul-finds/tree/main/vul-find-dir825-dlink (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2025-6291?
- CVE-2025-6291 is a high-severity vulnerability in D-link Dir-825, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-06-20.
- How severe is CVE-2025-6291?
- High severity. CVSS v3 base score is 8.8 out of 10.