CVE-2025-11325: A security flaw has been discovered in Tenda AC18 15.03.05.19(6318)

This month

HIGH 8.8MITIGATE

CVE-2025-11325 is a high-severity flaw (CVSS 8.8) affecting ac18 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in Tenda AC18 15.03.05.19(6318). Affected by this issue is some unknown functionality of the file /goform/fast_setting_pppoe_set. Performing a manipulation of the argument Username results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-119, CWE-121
Published	2025-10-06
Last modified	2026-10-09

Publisher (CNA): VulDB · Vendor: tenda

Last updated 2026-10-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-06 07:15 UTCPublished CVE record published
2026-10-09 10:10 UTCUpdated Record last modified

tenda ac18 firmware MITIGATE

Affected: 15.03.05.19\(6318\)

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-2025-11325?

ac18 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-11325 being exploited?

CVE-2025-11325 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-2025-11325 affect?

CVE-2025-11325 affects ac18 firmware. Severity is high (CVSS 8.8). A security flaw has been discovered in Tenda AC18 15.03.05.19(6318). Affected by this issue is some unknown functionality of the file /goform/fast_setting_pppoe_set. Performing a manipulation of the argument Username results in stack-based

How urgent is CVE-2025-11325?

Priority 50/100. High severity; Public exploit reference

Related CVEs

CVE-2025-11326 HIGH 8.8 MITIGATE A weakness has been identified in Tenda AC18 15.03.05.19(6318)
CVE-2025-11327 HIGH 8.8 MITIGATE A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318)
CVE-2025-11328 HIGH 8.8 MITIGATE A vulnerability was detected in Tenda AC18 15.03.05.19(6318)
CVE-2025-11324 HIGH 8.8 MITIGATE A vulnerability was identified in Tenda AC18 15.03.05.19(6318)
CVE-2025-11120 HIGH 8.8 MITIGATE A weakness has been identified in Tenda AC8 16.03.34.06

References

← Back to latest CVEs