Patchfirst
CVE-2026-104611 Critical · 9.1 EPSS 0.5%

A vulnerability was detected in Tenda AC9 15.03.02.13

Tenda · AC9

Summary

A stack-based buffer overflow in the POST Request Handler component of the Tenda AC9 router running firmware 15.03.02.13, specifically in the handling of the netWanType argument to /goform/fast_setting_internet_set. An attacker with remote network access can trigger the overflow by manipulating that argument, though the attack requires high privileges (PR:H) and no user interaction.

Official description · NVD

A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Breakdown
16.6 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 2 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 5 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

6 links, grouped by NVD tag
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