Medium [CVE-2026-12489] incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device
This medium-severity Zyxel advisory covers CVE-2026-12489 affecting EX3501-T0 firmware.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Get an email when Zyxel publishes the next one.
See Zyxel's last 90 days of advisories first. Then choose the free weekly digest, or a free month of real-time alerts with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
Summary
An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.
- EX3501-T0 firmware <= 5.44(ACHR.6)C0
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That does not mean no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
More Zyxel advisories
- CVE-2026-76955Nov 3, 2026buffer overflow vulnerability in the zdp_wtp binary in Zyxel NWA110AX firmware versions
- CVE-2026-107441Nov 3, 2026out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions
- CVE-2026-6374Aug 10, 2026Zyxel hard-coded credentials
- CVE-2026-6373Aug 10, 2026Zyxel information disclosure
- CVE-2026-13206Aug 10, 2026Zyxel command injection
- CVE-2026-12984Aug 10, 2026Insufficiently Protected Credentials vulnerability in Zyxel Networks WAH7601 allows
Android app · Google Play
Monitor future Zyxel CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.