CVE-2023-37925: Zyxel NWA110AX Firmware

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, VPN series firmware versions 4.30 through 5.37, NWA50AX firmware version 6.29(ABYW.2), WAC500 firmware version 6.65(ABVS.1), WAX300H firmware version 6.60(ACHF.1), and WBE660S firmware version 6.65(ACGG.1), could allow an authenticated local attacker to access system files on an affected device.

Affected products

  • Zyxel NWA110AX Firmware: before 6.70\(abtg.0\) (fixed in 6.70\(abtg.0\))
  • Zyxel NWA1123ACV3 Firmware: before 6.70\(abvt.0\) (fixed in 6.70\(abvt.0\))
  • Zyxel NWA210AX Firmware: before 6.70\(abtd.0\) (fixed in 6.70\(abtd.0\))
  • Zyxel NWA220AX-6e Firmware: before 6.70\(acco.0\) (fixed in 6.70\(acco.0\))
  • Zyxel NWA50AX-Pro Firmware: before 6.80\(acge.0\) (fixed in 6.80\(acge.0\))
  • Zyxel NWA50AX Firmware: before 6.80\(abyw.0\) (fixed in 6.80\(abyw.0\))
  • Zyxel NWA55AXE Firmware: before 6.80\(abzl.0\) (fixed in 6.80\(abzl.0\))
  • Zyxel NWA90AX-Pro Firmware: before 6.80\(acgf.0\) (fixed in 6.80\(acgf.0\))
  • Zyxel NWA90AX Firmware: before 6.80\(accv.0\) (fixed in 6.80\(accv.0\))
  • Zyxel WAC500 Firmware: before 6.70\(abvs.0\) (fixed in 6.70\(abvs.0\))
  • Zyxel WAC500H Firmware: before 6.70\(abwa.0\) (fixed in 6.70\(abwa.0\))
  • Zyxel WAX510D Firmware: before 6.70\(abtf.0\) (fixed in 6.70\(abtf.0\))
  • Zyxel WAX610D Firmware: before 6.70\(abte.0\) (fixed in 6.70\(abte.0\))
  • Zyxel WAX620D-6e Firmware: before 6.70\(accn.0\) (fixed in 6.70\(accn.0\))
  • Zyxel WAX630S Firmware: before 6.70\(abzd.0\) (fixed in 6.70\(abzd.0\))
  • Zyxel WAX640S-6e Firmware: before 6.70\(accm.0\) (fixed in 6.70\(accm.0\))
  • Zyxel WAX650S Firmware: before 6.70\(abrm.0\) (fixed in 6.70\(abrm.0\))
  • Zyxel WAX655E Firmware: before 6.70\(acdo.0\) (fixed in 6.70\(acdo.0\))
  • Zyxel WBE660S Firmware: before 6.70\(acgg.0\) (fixed in 6.70\(acgg.0\))
  • Zyxel Zld: from 4.32, up to and including 5.37; from 4.50, up to and including 5.37; from 4.16, up to and including 5.37; from 4.30, up to and including 5.37

Published 2023-11-28. Last modified 2026-06-17.