Stack-Based Buffer Overflow in D-Link DIR-825 HTTP POST Handler
CVE-2025-6291

8.8HIGH

Key Information:

Vendor

D-Link
Status
DIR-825
Vendor
CVE Published:
20 June 2025

What is CVE-2025-6291?

A stack-based buffer overflow vulnerability exists in the HTTP POST request handler of the D-Link DIR-825 router firmware version 2.03. This flaw allows attackers to exploit the function do_file, potentially leading to remote code execution. Given that this vulnerability affects products that are no longer supported by the vendor, users of the DIR-825 are highly encouraged to upgrade to secure alternatives to mitigate the risk of exploitation.

References

https://github.com/xiaobor123/vul-finds/tree/main/vul-fin...
https://github.com/xiaobor123/vul-finds/tree/main/vul-fin...
https://vuldb.com/?ctiid.313293

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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CVE-2025-6291 : Stack-Based Buffer Overflow in D-Link DIR-825 HTTP POST Handler