How severe is CVE-2025-55852?

CVE-2025-55852 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-55852 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55852?

CVE-2025-55852 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55852?

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-2025-55852 have an EU (EUVD) identifier?

Yes. CVE-2025-55852 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26633.

When was CVE-2025-55852 published?

CVE-2025-55852 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2025-55852

CVE-2025-55852 is a high-severity vulnerability in Tenda Ac8 Firmware with a CVSS 3.x base score of 7.5. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26633
Weakness: CWE-121
Affected product: Tenda Ac8 Firmware
Published: 2025-09-03
Last modified: 2026-06-17

Description

Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g.

Frequently asked questions

What is CVE-2025-55852?: Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g.
How severe is CVE-2025-55852?: CVE-2025-55852 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-55852 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55852?: CVE-2025-55852 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55852?: 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-2025-55852 have an EU (EUVD) identifier?: Yes. CVE-2025-55852 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26633.
When was CVE-2025-55852 published?: CVE-2025-55852 was published on 2025-09-03 and last updated on 2026-06-17.

References

https://github.com/CyberJ3ff/IOT/blob/main/tenda/tenda%20AC8%20v4%20V16.03.34.06/detail.md

Affected products (1)

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

More vulnerabilities in Tenda Ac8 Firmware

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