CVE-2026-78860CWE-311CWE-347

CVE-2026-78860

High · published October 6, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
0.2
In the wild
Unconfirmed
What it is

An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the storage of information in plaintext

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00084 · 0.2th percentile
Weaknesses
CWE-311 · Missing Encryption of Sensitive Data; CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-10-06T00:17Z
References (3)
http://mercusys.com · [email protected]https://threadpoolx.gitbook.io/docs/cve/mercusys-ac12-v2-security-advisory/missing-firmware-encryption-and-secure-boot-mechanisms · [email protected]https://threadpoolx.gitbook.io/docs/cve/mercusys-ac12-v2-security-advisory/missing-firmware-encryption-and-secure-boot-mechanisms · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 07 OCT 03:42Z
    EPSS moved — → 0%
    epss
  • 05 OCT 00:00Z
    An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the storage of information in plaintext
    cvelistv5