cve.bz

CVE-2026-129250 Edimax BR6478ACV2 webs formPPTPSetup buffer overflow

8.6 high

High (8.6) in edimax br6478acv2.

On this page
A security vulnerability has been detected in Edimax BR6478ACV2 1.23. The impacted element is the function formPPTPSetup of the file webs. The manipulation of the argument pptpUserName leads to buffer overflow. It is possible to initiate the attack 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.

Severity

CVSS 4.0

8.6 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CVSS 3.1

9.9 critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWEs
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120 Buffer Copy without Checking Size of Input (Classic Buffer Overflow)
Published
Modified
Assigned by
VulDB (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

Ask an AI about this CVE

Show the promptExplain CVE-2026-129250 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-129250?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-129250?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-129250 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-129250

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-129250](https://cve.bz/cve/badge/CVE-2026-129250.svg)](https://cve.bz/cve/CVE-2026-129250)

HTML:

<a href="https://cve.bz/cve/CVE-2026-129250"><img src="https://cve.bz/cve/badge/CVE-2026-129250.svg" alt="CVE-2026-129250"></a>

Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
Edimax BR6478ACV21.23

Attack patterns (CAPEC)

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-119 (12), CWE-120 (13).

History

  1. Score 9.4 → 8.6 high
  2. The NVD deferred its analysis

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

Check your stackJSON