CVE-2024-29975

MEDIUM

6.7

CVSS Score

Published: June 4, 2024 at 01:43 AM UTC

Updated: June 17, 2026 at 07:23 AM UTC

4 products affected across 1 vendorNAS326 firmwareNAS542 firmwareNas326

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Severity

MEDIUM6.7

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

** UNSUPPORTED WHEN ASSIGNED ** The improper privilege management vulnerability in the SUID executable binary in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated local attacker with administrator privileges to execute some system commands as the “root” user on a vulnerable device.

Affected

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

NAS326 firmware · Zyxel

95%

v < 5.21(aazf.17)c0v < v5.21(aazf.17)co< V5.21(AAZF.17)C0

Affected range stops below 5.21(aazf.17)c0, so it looks safe — our inference, not a vendor statement

Affected range stops below v5.21(aazf.17)co, so it looks safe — our inference, not a vendor statement

zyxel-nas326 (same device)

NAS542 firmware · Zyxel

95%

v < 5.21(abag.14)c0v < 5.21(abag.14)co< V5.21(ABAG.14)C0

Affected range stops below 5.21(abag.14)c0, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.21(abag.14)co, so it looks safe — our inference, not a vendor statement

zyxel-nas542 (same device)

Nas326 · Zyxeldevice

80%

All versions

Nas542 · Zyxeldevice

80%

All versions

Remediation

No guide yet

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

Patch and advisory references

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024

References (2)

ExploitThird Party Advisory

Source: [email protected]

https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/

Vendor Advisory

Source: [email protected]

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

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

CVSS

6.7MEDIUMZyxel

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-269NVD-CWE-noinfo

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