Out-of-Bounds Write Vulnerability in D-Link DIR-825 Router
CVE-2026-96891

9.3CRITICAL

Key Information:

Vendor

D-link
Status
Dir-825
Vendor
CVE Published:
24 September 2026

What is CVE-2026-96891?

A critical out-of-bounds write vulnerability has been identified in the D-Link DIR-825 router, specifically in the function tunnel_set_params found in tunnel.c, related to the rp-l2tp component. This issue arises when the peer_hostname argument is manipulated, allowing an attacker to conduct a remote exploit. Successful exploitation can lead to unauthorized memory access, potentially compromising system integrity.

Affected Version(s)

DIR-825 3.00b32

References

https://vuldb.com/vuln/409134
vdb-entrytechnical-description
https://vuldb.com/vuln/409134/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-96891
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

tian (VulDB User)
.