CVE-2025-3577: UNSUPPORTED WHEN ASSIGNED A path traversal vulnerability in the web management interface of the Zyxel AMG1

This week

MEDIUM 4.9MITIGATE

CVE-2025-3577 is a medium-severity flaw (CVSS 4.9) affecting amg1302-t10b firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

**UNSUPPORTED WHEN ASSIGNED** A path traversal vulnerability in the web management interface of the Zyxel AMG1302-T10B firmware version 2.00(AAJC.16)C0 could allow an authenticated attacker with administrator privileges to access restricted directories by sending a crafted HTTP request to an affected device.

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	12.6% (top 4%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-04-22
Last modified	2026-06-17

Publisher (CNA): Zyxel Corporation · Vendor: zyxel

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-22 03:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

zyxel amg1302-t10b firmware MITIGATE

Affected: 2.00\(aajc.16\)c0

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-3577?

amg1302-t10b firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-3577 being exploited?

CVE-2025-3577 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-3577 affect?

CVE-2025-3577 affects amg1302-t10b firmware. Severity is medium (CVSS 4.9). **UNSUPPORTED WHEN ASSIGNED** A path traversal vulnerability in the web management interface of the Zyxel AMG1302-T10B firmware version 2.00(AAJC.16)C0 could allow an authenticated attacker with administrator privileges to access restricted

How urgent is CVE-2025-3577?

Priority 46/100. EPSS top 4%: very likely to be exploited; Public exploit reference

Software pages

Zyxel vulnerabilities

References

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CVE-2025-3577: **UNSUPPORTED WHEN ASSIGNED** A path traversal vulnerability in the web management interface of the Zyxel AMG1