CVE-2026-12810

MEDIUM 5.3 PoC AVAILABLE

Published 2026-06-21 · Last modified 2026-06-22

A security flaw has been discovered in Edimax BR-6478AC V2 1.23. Affected by this vulnerability is the function mp of the file /goform/mp of the component POST Request Handler. Performing a manipulation of the argument command results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

EXPLOIT AVAILABLE

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

Exploitation likelihood

1.2%chance of exploitation in 30 days · 63rd percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

5.3CVSS 4.0 · MEDIUM

ConfidentialityLow
IntegrityLow
AvailabilityLow

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-mp-34b53a41781f80339677f24176f4f6b7?source=copy_link

Listed for defensive triage and patch prioritization.

Affected

Vendors Edimax

Products Br 6478ac V2

Weakness (CWE)

CWE-77: Command injection
CWE-74: Injection

CVSS vector

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

References

Sources: NVD · CVE.org · EPSS