CVE-2025-45789Network attack vector

Memory corruption via crafted urlKeyword input

Published May 8, 2025 · Updated May 12, 2025

Buffer overflow in setParentalRules in TOTOLINK A3100R 5.9c.1527 allows remote attackers to corrupt memory via urlKeyword input. The public disclosure identifies the handler and parameter but does not disclose the unsafe memory operation or buffer boundary that causes the overwrite. No authentication or user interaction is required; published impact assessments disagree, so the established consequence is bounded to memory corruption.

CVSS severity9.8
Critical
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in setParentalRules in TOTOLINK A3100R 5.9c.1527 allows remote attackers to corrupt memory via urlKeyword input. The public disclosure identifies the handler and parameter but does not disclose the unsafe memory operation or buffer boundary that causes the overwrite. No authentication or user interaction is required; published impact assessments disagree, so the established consequence is bounded to memory corruption.

The record

CVE
CVE-2025-45789
Published
May 8, 2025
Updated
May 12, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, CWE-121, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 8, 2025CVE publishedPublication date reported by the CVE source.
  2. May 12, 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

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

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

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-787Out-of-bounds Write
CWE-121Stack-based 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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