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CVE-2026-10126

HIGH 8.7 PoC AVAILABLE

Published 2026-05-30 · Last modified 2026-06-01

A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formQoS of the file /goform/formQoS of the component POST Request Handler. The manipulation of the argument selSSID results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.8%chance of exploitation in 30 days · 50th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

8.7CVSS 4.0 · HIGH

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires a low-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable
  • ✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Listed for defensive triage and patch prioritization.

Affected

Vendors Edimax

Products Br 6478ac

Weakness (CWE)

  • CWE-120: Classic buffer overflow
  • CWE-119: Memory buffer overflow

CVSS vector

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

References

Exploits & PoC

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS