CVE-2026-96891: D-Link DIR-825 rp-l2tp tunnel.c tunnel_set_params out-of-bounds write

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-24 · updated 2026-09-24
Weakness: CWE-119

Description

A vulnerability was identified in D-Link DIR-825 3.00b32. Affected is the function tunnel_set_params of the file tunnel.c of the component rp-l2tp. The manipulation of the argument peer_hostname leads to out-of-bounds write. The attack may be initiated remotely.

Affected products

D-Link DIR-825: 3.00b32

References

https://tzh00203.notion.site/D-Link-DIR-825-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a80458ffec58b62096940
https://vuldb.com/cve/CVE-2026-96891
https://vuldb.com/submit/906301
https://vuldb.com/vuln/409134
https://vuldb.com/vuln/409134/cti
https://www.dlink.com/

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