How severe is CVE-2026-3044?

CVE-2026-3044 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-2026-3044 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3044?

CVE-2026-3044 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3044?

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-2026-3044 have an EU (EUVD) identifier?

Yes. CVE-2026-3044 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7467.

When was CVE-2026-3044 published?

CVE-2026-3044 was published on 2026-02-24 and last updated on 2026-06-17.

CVE-2026-3044

CVE-2026-3044 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7467
Weakness: CWE-119
Affected product: Tenda Ac8 Firmware
Published: 2026-02-24
Last modified: 2026-06-17

Description

A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2026-3044?: A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2026-3044?: CVE-2026-3044 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-2026-3044 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3044?: CVE-2026-3044 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3044?: 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-2026-3044 have an EU (EUVD) identifier?: Yes. CVE-2026-3044 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7467.
When was CVE-2026-3044 published?: CVE-2026-3044 was published on 2026-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:*

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