How severe is CVE-2025-5735?

CVE-2025-5735 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-2025-5735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5735?

CVE-2025-5735 affects Totolink X15 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5735?

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-2025-5735 have an EU (EUVD) identifier?

Yes. CVE-2025-5735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17095.

When was CVE-2025-5735 published?

CVE-2025-5735 was published on 2025-06-06 and last updated on 2026-06-17.

CVE-2025-5735

CVE-2025-5735 is a high-severity vulnerability in Totolink X15 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% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17095
Weakness: CWE-119
Affected product: Totolink X15 Firmware
Published: 2025-06-06
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-5735?: A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-5735?: CVE-2025-5735 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-2025-5735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5735?: CVE-2025-5735 affects Totolink X15 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5735?: 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-2025-5735 have an EU (EUVD) identifier?: Yes. CVE-2025-5735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17095.
When was CVE-2025-5735 published?: CVE-2025-5735 was published on 2025-06-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:x15_firmware:1.0.0-b20230714.1105:*:*:*:*:*:*:*

More vulnerabilities in Totolink X15 Firmware

CVE-2025-8246 — High (CVSS 8.8): A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been rated as critical. Affected by this issue…
CVE-2025-8245 — High (CVSS 8.8): A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been declared as critical. Affected by this…
CVE-2025-8244 — High (CVSS 8.8): A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been classified as critical. Affected is an…
CVE-2025-8243 — High (CVSS 8.8): A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some…
CVE-2025-8242 — High (CVSS 8.8): A vulnerability has been found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This vulnerability…
CVE-2025-6824 — High (CVSS 8.8): A vulnerability classified as critical has been found in TOTOLINK X15 up to 1.0.0-B20230714.1105. Affected is an…

All CVEs affecting Totolink X15 Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →