How severe is CVE-2025-9782?

CVE-2025-9782 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-2025-9782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9782?

CVE-2025-9782 affects Totolink A702r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9782?

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-2025-9782 have an EU (EUVD) identifier?

Yes. CVE-2025-9782 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26344.

When was CVE-2025-9782 published?

CVE-2025-9782 was published on 2025-09-01 and last updated on 2026-06-17.

CVE-2025-9782

CVE-2025-9782 is a high-severity vulnerability in Totolink A702r 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% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26344
Weakness: CWE-119
Affected product: Totolink A702r Firmware
Published: 2025-09-01
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK A702R 4.0.0-B20211108.1423. This vulnerability affects the function sub_4466F8 of the file /boafrm/formOneKeyAccessButton. Performing manipulation of the argument submit-url results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.

Frequently asked questions

What is CVE-2025-9782?: A vulnerability was found in TOTOLINK A702R 4.0.0-B20211108.1423. This vulnerability affects the function sub_4466F8 of the file /boafrm/formOneKeyAccessButton. Performing manipulation of the argument submit-url results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.
How severe is CVE-2025-9782?: CVE-2025-9782 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-2025-9782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-9782?: CVE-2025-9782 affects Totolink A702r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-9782?: 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-2025-9782 have an EU (EUVD) identifier?: Yes. CVE-2025-9782 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26344.
When was CVE-2025-9782 published?: CVE-2025-9782 was published on 2025-09-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:a702r_firmware:4.0.0-b20211108.1423:*:*:*:*:*:*:*

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