CVE-2025-10432: A vulnerability was found in Tenda AC1206 15.03.06.23

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2025-10432 is a critical-severity flaw (CVSS 9.8) affecting ac1206 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Tenda AC1206 15.03.06.23. This vulnerability affects the function check_param_changed of the file /goform/AdvSetMacMtuWa of the component HTTP Request Handler. Performing manipulation of the argument wanMTU results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-119, CWE-121
Published	2025-09-15
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: tenda

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

Am I affected?

Timeline

2025-09-15 08:15 UTCPublished CVE record published
2026-06-17 08:28 UTCUpdated Record last modified

tenda ac1206 firmware MITIGATE

Affected: 15.03.06.23

Fixed in: no fixed release known

Safe to downgrade to: a release before 15.03.06.23

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/M4st3rYi/IoTVulPocs/blob/main/Tenda/AC1206/fromAdvSetMacMtuWan.md

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-2025-10432?

ac1206 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-10432 being exploited?

CVE-2025-10432 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-2025-10432 affect?

CVE-2025-10432 affects ac1206 firmware. Severity is critical (CVSS 9.8). A vulnerability was found in Tenda AC1206 15.03.06.23. This vulnerability affects the function check_param_changed of the file /goform/AdvSetMacMtuWa of the component HTTP Request Handler. Performing manipulation of the argument wanMTU resu

How urgent is CVE-2025-10432?

Priority 66/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-0581 MEDIUM 6.3 MITIGATE A vulnerability was determined in Tenda AC1206 15.03.06.23
CVE-2025-9523 CRITICAL 9.8 MITIGATE A vulnerability was detected in Tenda AC1206 15.03.06.23
CVE-2025-7544 HIGH 8.8 MITIGATE A vulnerability was found in Tenda AC1206 15.03.06.23
CVE-2025-4299 HIGH 8.8 UPGRADE A vulnerability was found in Tenda AC1206 up to 15.03.06.23
CVE-2025-4298 HIGH 8.8 UPGRADE A vulnerability was found in Tenda AC1206 up to 15.03.06.23

References

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