How severe is CVE-2026-2202?

CVE-2026-2202 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-2026-2202 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-2026-2202?

CVE-2026-2202 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2202?

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-2026-2202 have an EU (EUVD) identifier?

Yes. CVE-2026-2202 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6896.

When was CVE-2026-2202 published?

CVE-2026-2202 was published on 2026-02-09 and last updated on 2026-06-17.

CVE-2026-2202

CVE-2026-2202 is a high-severity vulnerability in Tenda Ac8 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-120.

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-2026-6896
Weakness: CWE-120
Affected product: Tenda Ac8 Firmware
Published: 2026-02-09
Last modified: 2026-06-17

Description

A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

Frequently asked questions

What is CVE-2026-2202?: A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.
How severe is CVE-2026-2202?: CVE-2026-2202 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-2026-2202 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-2026-2202?: CVE-2026-2202 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2202?: 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-2026-2202 have an EU (EUVD) identifier?: Yes. CVE-2026-2202 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6896.
When was CVE-2026-2202 published?: CVE-2026-2202 was published on 2026-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac8_firmware:16.03.33.05:*:*:*:*:*:*:*

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