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CVE-2023-5797

MEDIUM
5.5
CVSS Score
Published: November 28, 2023 at 02:00 AM UTC
Updated: June 17, 2026 at 06:49 AM UTC
64 products affected across 1 vendorZldNWA210AX FirmwareWAX650S Firmware

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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 the administrator’s logs on an affected device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

NWA110AX firmware· Zyxel
95%
v < 6.70(abtg.0)
Affected range stops below 6.70(abtg.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa110ax (same device)
NWA1123ACv3 firmware· Zyxel
95%
v < 6.70(abvt.0)
Affected range stops below 6.70(abvt.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa1123acv3 (same device)
NWA210AX Firmware· Zyxel
95%
v < 6.70(abtd.0)
Affected range stops below 6.70(abtd.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa210ax (same device)
NWA220AX 6E Firmware· Zyxel
95%
v < 6.70(acco.0)
Affected range stops below 6.70(acco.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa220ax-6e (same device)
NWA50AX firmware· Zyxel
95%
v < 6.80(abyw.0)6.29(ABYW.2)
Affected range stops below 6.80(abyw.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa50ax (same device)
NWA50AX Pro Firmware· Zyxel
95%
v < 6.80(acge.0)
Affected range stops below 6.80(acge.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa50ax-pro (same device)
NWA55AXE Firmware· Zyxel
95%
v < 6.80(abzl.0)
Affected range stops below 6.80(abzl.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa55axe (same device)
NWA90AX Firmware· Zyxel
95%
v < 6.80(accv.0)
Affected range stops below 6.80(accv.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa90ax (same device)
NWA90AX Pro Firmware· Zyxel
95%
v < 6.80(acgf.0)
Affected range stops below 6.80(acgf.0), so it looks safe — our inference, not a vendor statement
zyxel-nwa90ax-pro (same device)
WAC500 firmware· Zyxel
95%
v < 6.70(abvs.0)6.65(ABVS.1)
Affected range stops below 6.70(abvs.0), so it looks safe — our inference, not a vendor statement
zyxel-wac500 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMZyxel
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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