Vulnerability · Published May 10, 2026 · Assigned by VulDB

CVE-2026-8234EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in ipTIME A8004T from EFM. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.5%top 58.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in EFM ipTIME A8004T 14.18.2. This vulnerability affects the function formWifiBasicSet of the file /goform/WifiBasicSet. The manipulation of the argument security_5g leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
EFM	ipTIME A8004T	14.18.2

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-362454 | EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based overflow vdb-entry, technical-description
VDB-362454 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #808865 | IPTIME A8004T 14.18.2 Stack-based Buffer Overflow third-party-advisory
https://github.com/Kiciot/cve/issues/5 exploit, issue-tracking