CVE-2025-9731: A vulnerability was determined in Tenda AC9 15.03.05.19

Routine

LOW 2.5MITIGATE

CVE-2025-9731 is a low-severity flaw (CVSS 2.5) affecting ac9 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was determined in Tenda AC9 15.03.05.19. The impacted element is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. This manipulation causes hard-coded credentials. It is possible to launch the attack on the local host. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.5 (Low)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 96%)
CISA exploited list	No
Weakness	CWE-259, CWE-798
Published	2025-08-31
Last modified	2026-10-18

Publisher (CNA): VulDB · Vendor: tenda

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-31 14:15 UTCPublished CVE record published
2026-10-18 21:10 UTCUpdated Record last modified

tenda ac9 firmware MITIGATE

Affected: 15.03.05.19

Fixed in: no fixed release known

Safe to downgrade to: a release before 15.03.05.19

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-2025-9731?

ac9 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-9731 being exploited?

CVE-2025-9731 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-2025-9731 affect?

CVE-2025-9731 affects ac9 firmware. Severity is low (CVSS 2.5). A vulnerability was determined in Tenda AC9 15.03.05.19. The impacted element is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. This manipulation causes hard-coded credentials. It is possible to la

How urgent is CVE-2025-9731?

Priority 10/100. No elevated risk signals yet.

Related CVEs

CVE-2026-6015 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda AC9 15.03.02.13
CVE-2026-6016 HIGH 8.8 MITIGATE A vulnerability was found in Tenda AC9 15.03.02.13
CVE-2025-10443 HIGH 8.8 MITIGATE MITIGATE A vulnerability was identified in Tenda AC9 and AC15 15.03.05.14/15.03.05.18
CVE-2025-10442 MEDIUM 6.3 MITIGATE MITIGATE A vulnerability was determined in Tenda AC9 and AC15 15.03.05.14
CVE-2025-14286 MEDIUM 5.3 MITIGATE A vulnerability was determined in Tenda AC9 15.03.05.14_multi

References

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