Medium severity5.5NVD Advisory· Published Oct 22, 2024· Updated Jun 17, 2026

CVE-2024-9677

Description

The insufficiently protected credentials vulnerability in the CLI command of the USG FLEX H series uOS firmware version V1.21 and earlier versions could allow an authenticated local attacker to gain privilege escalation by stealing the authentication token of a login administrator. Note that this attack could be successful only if the administrator has not logged out.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Zyxel/Uos
cpe:2.3:o:zyxel:uos:*:*:*:*:*:*:*:*
Range: <1.30
Zyxel/USG FLEX series firmwarellm-fuzzy
Range: <=V1.21
Zyxel/USG FLEX seriescpe-rescue
Range: <= V1.21

Patches

Vulnerability mechanics

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficiently-protected-credentials-vulnerability-in-firewalls-10-22-2024nvdVendor Advisory

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