How severe is CVE-2025-6824?

CVE-2025-6824 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-2025-6824 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-2025-6824?

CVE-2025-6824 affects Totolink X15 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6824?

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-2025-6824 have an EU (EUVD) identifier?

Yes. CVE-2025-6824 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19456.

When was CVE-2025-6824 published?

CVE-2025-6824 was published on 2025-06-28 and last updated on 2026-06-17.

CVE-2025-6824

CVE-2025-6824 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-120.

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-2025-19456
Weakness: CWE-120
Affected product: Totolink X15 Firmware
Published: 2025-06-28
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in TOTOLINK X15 up to 1.0.0-B20230714.1105. Affected is an unknown function of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-6824?: A vulnerability classified as critical has been found in TOTOLINK X15 up to 1.0.0-B20230714.1105. Affected is an unknown function of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6824?: CVE-2025-6824 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-2025-6824 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-2025-6824?: CVE-2025-6824 affects Totolink X15 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6824?: 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-2025-6824 have an EU (EUVD) identifier?: Yes. CVE-2025-6824 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19456.
When was CVE-2025-6824 published?: CVE-2025-6824 was published on 2025-06-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:x15_firmware:*:*:*:*:*:*:*:*

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-2025-6402 — High (CVSS 8.8): A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been declared as critical. This vulnerability…

All CVEs affecting Totolink X15 Firmware →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →