CVE-2025-6121 Details
Description
A vulnerability, which was classified as critical, has been found in D-Link DIR-632 FW103B08. Affected by this issue is the function get_pure_content of the component HTTP POST Request Handler. The manipulation of the argument Content-Length leads to stack-based buffer overflow. The attack may be launched 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.
A critical stack-based buffer overflow vulnerability has been identified in the D-Link DIR-632 router, specifically in the firmware version FW103B08. The issue arises in the 'get_pure_content' function of the HTTP POST request handler, where the 'Content-Length' argument is not properly validated. This vulnerability can be exploited remotely by sending a specially crafted POST request, and it affects devices that are no longer supported by the manufacturer.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 16, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir632-dlink-get_pure_content | [email protected] | ExploitThird Party Advisory |
| https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir632-dlink-get_pure_content#poc | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.312590 | [email protected] | Permissions Required |
| https://vuldb.com/?id.312590 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.592574 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.dlink.com/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| dlink dir-632 firmware | 103b08 |
CPE
Remediation
| |
| dlink dir-632 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2025 | Initial Analysis | [email protected] |
| Jun 16, 2025 | New CVE Received | [email protected] |