How severe is CVE-2025-51452?

CVE-2025-51452 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-51452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-51452?

CVE-2025-51452 affects Totolink A7000r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-51452?

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

Does CVE-2025-51452 have an EU (EUVD) identifier?

Yes. CVE-2025-51452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24577.

When was CVE-2025-51452 published?

CVE-2025-51452 was published on 2025-08-13 and last updated on 2026-07-05.

CVE-2025-51452

CVE-2025-51452 is a critical-severity vulnerability in Totolink A7000r Firmware with a CVSS 3.x base score of 9.8. 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-288.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24577
Weakness: CWE-288
Affected product: Totolink A7000r Firmware
Published: 2025-08-13
Last modified: 2026-07-05

Description

In TOTOLINK A7000R firmware 9.1.0u.6115_B20201022, an attacker can bypass login by sending a specific request through formLoginAuth.htm.

Frequently asked questions

What is CVE-2025-51452?: In TOTOLINK A7000R firmware 9.1.0u.6115_B20201022, an attacker can bypass login by sending a specific request through formLoginAuth.htm.
How severe is CVE-2025-51452?: CVE-2025-51452 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-51452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-51452?: CVE-2025-51452 affects Totolink A7000r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-51452?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-51452 have an EU (EUVD) identifier?: Yes. CVE-2025-51452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24577.
When was CVE-2025-51452 published?: CVE-2025-51452 was published on 2025-08-13 and last updated on 2026-07-05.

References

EU advisories (EUVD)

http://a7000rfirmware.com

Affected products (1)

cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6115_b20201022:*:*:*:*:*:*:*

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