CVE-2025-44891Network attack vector

Unauthenticated memory corruption via unchecked host_ip

Published May 20, 2025 · Updated May 21, 2025

Stack overflow in PLANET WGS-804HPT firmware 1.305b241111 allows remote attackers to corrupt memory through crafted host_ip input. The web_snmp_v3host_add_post handler accepts attacker-controlled host_ip data without enforcing the stack buffer's bounds, causing an out-of-bounds write. No authentication or user interaction is required, but public evidence does not establish reliable code execution or the exact scope of a resulting crash.

CVSS severity9.8
Critical
EPSS probability0.53%
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 PLANET WGS-804HPT firmware 1.305b241111 allows remote attackers to corrupt memory through crafted host_ip input. The web_snmp_v3host_add_post handler accepts attacker-controlled host_ip data without enforcing the stack buffer's bounds, causing an out-of-bounds write. No authentication or user interaction is required, but public evidence does not establish reliable code execution or the exact scope of a resulting crash.

The record

CVE
CVE-2025-44891
Published
May 20, 2025
Updated
May 21, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-121, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 20, 2025CVE publishedPublication date reported by the CVE source.
  2. May 21, 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.

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-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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