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CVE-2026-4252

CRITICAL Exploitation: PoC
9.8
CVSS 3.1
Description
A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

Metadata

CVE ID
CVE-2026-4252
State
PUBLISHED
Assigner
VulDB
Reserved
2026-03-16 06:16 UTC
Published
2026-03-16 16:32 UTC
Last updated
2026-03-16 18:07 UTC
Primary CWE
CWE-291
Reliance on IP Address for Authentication
Vendor / Product
Tenda / AC8
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Tenda AC8 — 16.03.50.11
Weakness (CWE)
CWESourceDescription
CWE-287 cna Improper Authentication
CWE-291 cna Reliance on IP Address for Authentication
CVSS scores (4)
ScoreSeverityVersionSourceVector
10.0 N/D 2.0 cna AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:W/RC:UR
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R
9.8 CRITICAL 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R
9.3 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
References (5)
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