CVE-2025-26011Network attack vector

Memory corruption via unauthenticated username parameter

Published Mar 26, 2025 · Updated Mar 27, 2025

Stack overflow in Telesquare TLR-2005KSH 1.1.4 allows remote attackers to corrupt memory through an unauthenticated admin.cgi request. The disclosed locus is the setUsernamePassword request handler in admin.cgi, but the CNA reference set provides no accessible patch or source diff identifying the exact unsafe copy operation. No credentials or user interaction are required; the public record does not specify whether exploitation causes a crash or code execution.

CVSS severity9.8
Critical
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in Telesquare TLR-2005KSH 1.1.4 allows remote attackers to corrupt memory through an unauthenticated admin.cgi request. The disclosed locus is the setUsernamePassword request handler in admin.cgi, but the CNA reference set provides no accessible patch or source diff identifying the exact unsafe copy operation. No credentials or user interaction are required; the public record does not specify whether exploitation causes a crash or code execution.

The record

CVE
CVE-2025-26011
Published
Mar 26, 2025
Updated
Mar 27, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-120, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1190Exploit Public-Facing Application

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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