Buffer overflow in D-Link Dir-632
CVE-2025-5912
A vulnerability was found in D-Link DIR-632 FW103B08. It has been declared as critical. This vulnerability affects the function do_file of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated 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.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (58.4th 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.
Affected products
- D-link Dir-632 — versions FW103B08
- Dlink Dir-632
- Dlink Dir-632_firmware — versions 103b08
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Exploit, Third Party Advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-5912?
- CVE-2025-5912 is a high-severity vulnerability in D-Link Dir-632, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-06-10.
- How severe is CVE-2025-5912?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-5912 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.