Search/CVE-2024-40891
● CVE — High

CVE-2024-40891

VendorzyxelProductsbg3300-n000 firmware, sbg3300-nb00 firmware, sbg3500-n000 firmware, sbg3500-nb00 firmware, vmg1312-b10a firmware, vmg1312-b10b firmware, vmg1312-b10e firmware, vmg3312-b10a firmware, vmg3313-b10a firmware, vmg3926-b10b firmware, vmg4325-b10a firmware, vmg4380-b10a firmware, vmg8324-b10a firmware, vmg8924-b10a firmwareDiscoveredFeb 4, 2025UpdatedOct 27, 2025

UNSUPPORTED WHEN ASSIGNED A post-authentication command injection vulnerability in the management commands of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device via Telnet.

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CVSS v3.1
8.8 HIGH
EPSS
22.9%
probability of exploitation in 30 days
CISA KEV
Listed
confirmed active exploitation
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 1.06pp
21.8% → 22.9% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
18 relationships
Timeline
disclosure → media coverage
Feb 4, 2025
Disclosure — published as a CVE record. · last revised by NVD Oct 27, 2025
Sep 22, 2026
bleepingcomputer.com reports: CISA orders feds to patch Zyxel flaw exploited for data theft
Public PoC (2)
github.com/Danyw24/zyxel-p870hn-hardware-hackinggithub.com/krevetkqqq/CVE-2024-40891
Unverified third-party code — review before executing.