CVE-2026-96891Network attack vector

Memory corruption via crafted L2TP hostname

Published Sep 24, 2026 · Updated Sep 24, 2026

Out-of-bounds write in D-Link DIR-825 3.00b32 rp-l2tp allows remote attackers to corrupt memory through a crafted L2TP hostname. The tunnel_set_params function in tunnel.c writes an attacker-controlled peer_hostname value beyond its intended memory boundary. The L2TP service must process the crafted hostname; public evidence does not establish whether the corruption causes a crash or code execution.

CVSS severityUnavailable
Unscored
EPSS probability0.65%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in D-Link DIR-825 3.00b32 rp-l2tp allows remote attackers to corrupt memory through a crafted L2TP hostname. The tunnel_set_params function in tunnel.c writes an attacker-controlled peer_hostname value beyond its intended memory boundary. The L2TP service must process the crafted hostname; public evidence does not establish whether the corruption causes a crash or code execution.

The record

CVE
CVE-2026-96891
Published
Sep 24, 2026
Updated
Sep 24, 2026
Vendor
D-Link
Product
DIR-825
Classifications
Unavailable
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=3.00b32

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

D-Link · DIR-825version=3.00b32

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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