CVE-2026-10125

HIGH 8.7 PoC AVAILABLE

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

A vulnerability was identified in Edimax BR-6478AC 1.23. Affected by this vulnerability is the function formPPPoESetup of the file /goform/formPPPoESetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

EXPLOIT AVAILABLE

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

Exploitation likelihood

0.4%chance of exploitation in 30 days · 36th 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

PoC https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formPPPoESetup-34b53a41781f80a1b029cb5ca5570afa?source=copy_link

Listed for defensive triage and patch prioritization.

Affected

Vendors Edimax

Products Br 6478ac

Weakness (CWE)

CWE-121
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

Sources: NVD · CVE.org · EPSS