CVE-2025-10443: A vulnerability was identified in Tenda AC9 and AC15 15.03.05.14/15.03.05.18

This month

HIGH 8.8MITIGATEMITIGATE

CVE-2025-10443 is a high-severity flaw (CVSS 8.8) affecting ac9 firmware, ac15 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was identified in Tenda AC9 and AC15 15.03.05.14/15.03.05.18. This vulnerability affects the function formexeCommand of the file /goform/exeCommand. Such manipulation of the argument cmdinput leads to buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	4.6% (top 8%)
CISA exploited list	No
Weakness	CWE-119, CWE-120
Published	2025-09-15
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

2025-09-15 12:15 UTCPublished CVE record published
2026-10-18 21:10 UTCUpdated Record last modified

tenda ac9 firmware MITIGATE

Affected: 15.03.05.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 15.03.05.14

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.

tenda ac15 firmware MITIGATE

Affected: 15.03.05.18

Fixed in: no fixed release known

Safe to downgrade to: a release before 15.03.05.18

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · pipx · FIXED · 1.18.9-1.fc46 · FEDORA-2026-95305954ab · source

sudo dnf upgrade --advisory=FEDORA-2026-95305954ab

Fedora ELN · libisds · FIXED · 0.11.2-19.eln159 · FEDORA-2026-bf61b68668 · source

sudo dnf upgrade --advisory=FEDORA-2026-bf61b68668

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/2664521593/mycve/blob/main/Tenda/Tenda_AC15_AC9_Bof.md
Write-up: github.com/2664521593/mycve/blob/main/Tenda/Tenda_AC15_AC9_Bof.md#poc

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-2025-10443?

ac9 firmware: mitigate or apply the listed mitigation; ac15 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-10443 being exploited?

CVE-2025-10443 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-2025-10443 affect?

CVE-2025-10443 affects ac9 firmware, ac15 firmware. Severity is high (CVSS 8.8). A vulnerability was identified in Tenda AC9 and AC15 15.03.05.14/15.03.05.18. This vulnerability affects the function formexeCommand of the file /goform/exeCommand. Such manipulation of the argument cmdinput leads to buffer overflow. The at

How urgent is CVE-2025-10443?

Priority 59/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

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-2025-10442 MEDIUM 6.3 MITIGATE MITIGATE A vulnerability was determined in Tenda AC9 and AC15 15.03.05.14
CVE-2025-9731 LOW 2.5 MITIGATE A vulnerability was determined in Tenda AC9 15.03.05.19
CVE-2025-14286 MEDIUM 5.3 MITIGATE A vulnerability was determined in Tenda AC9 15.03.05.14_multi

References

← Back to latest CVEs