How severe is CVE-2025-9731?

CVE-2025-9731 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-9731 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9731?

CVE-2025-9731 affects Tenda Ac9 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9731?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-9731 have an EU (EUVD) identifier?

Yes. CVE-2025-9731 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26297.

When was CVE-2025-9731 published?

CVE-2025-9731 was published on 2025-08-31 and last updated on 2026-06-17.

CVE-2025-9731

CVE-2025-9731 is a low-severity vulnerability in Tenda Ac9 Firmware with a CVSS 3.x base score of 2.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-259.

Key facts

Severity: Low (CVSS 3.x base score 2.5)
CVSS v2: 1.0
CVSS v4: 1.1
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26297
Weakness: CWE-259
Affected product: Tenda Ac9 Firmware
Published: 2025-08-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-9731?: 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.
How severe is CVE-2025-9731?: CVE-2025-9731 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-9731 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-9731?: CVE-2025-9731 affects Tenda Ac9 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-9731?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-9731 have an EU (EUVD) identifier?: Yes. CVE-2025-9731 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26297.
When was CVE-2025-9731 published?: CVE-2025-9731 was published on 2025-08-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac9_firmware:15.03.05.19:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac9 Firmware

CVE-2025-45042 — Critical (CVSS 9.8): Tenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function.
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CVE-2025-44872 — Critical (CVSS 9.8): Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formsetUsbUnload function…
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CVE-2025-45427 — Critical (CVSS 9.8): In Tenda AC9 v1.0 with firmware V15.03.05.14_multi, the security parameter of /goform/WifiBasicSet has a stack overflow…

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