How severe is CVE-2026-3165?

CVE-2026-3165 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-3165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3165?

CVE-2026-3165 affects Tenda F453 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3165?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-3165 have an EU (EUVD) identifier?

Yes. CVE-2026-3165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8514.

When was CVE-2026-3165 published?

CVE-2026-3165 was published on 2026-02-25 and last updated on 2026-06-17.

CVE-2026-3165

CVE-2026-3165 is a high-severity vulnerability in Tenda F453 Firmware with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8514
Weakness: CWE-119
Affected product: Tenda F453 Firmware
Published: 2026-02-25
Last modified: 2026-06-17

Description

A vulnerability was determined in Tenda F453 1.0.0.3. Impacted is the function fromSetWifiGusetBasic of the file /goform/AdvSetWrlsafeset of the component httpd. This manipulation of the argument mit_ssid causes buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Frequently asked questions

What is CVE-2026-3165?: A vulnerability was determined in Tenda F453 1.0.0.3. Impacted is the function fromSetWifiGusetBasic of the file /goform/AdvSetWrlsafeset of the component httpd. This manipulation of the argument mit_ssid causes buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.
How severe is CVE-2026-3165?: CVE-2026-3165 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-3165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3165?: CVE-2026-3165 affects Tenda F453 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3165?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-3165 have an EU (EUVD) identifier?: Yes. CVE-2026-3165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8514.
When was CVE-2026-3165 published?: CVE-2026-3165 was published on 2026-02-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*

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