How severe is CVE-2025-6163?

CVE-2025-6163 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-2025-6163 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6163?

CVE-2025-6163 affects Totolink A3002ru Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6163?

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-2025-6163 have an EU (EUVD) identifier?

Yes. CVE-2025-6163 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18475.

When was CVE-2025-6163 published?

CVE-2025-6163 was published on 2025-06-17 and last updated on 2026-06-17.

CVE-2025-6163

CVE-2025-6163 is a high-severity vulnerability in Totolink A3002ru 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% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18475
Weakness: CWE-119
Affected product: Totolink A3002ru Firmware
Published: 2025-06-17
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK A3002RU 3.0.0-B20230809.1615 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formMultiAP of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-6163?: A vulnerability was found in TOTOLINK A3002RU 3.0.0-B20230809.1615 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formMultiAP of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6163?: CVE-2025-6163 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-2025-6163 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6163?: CVE-2025-6163 affects Totolink A3002ru Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6163?: 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-2025-6163 have an EU (EUVD) identifier?: Yes. CVE-2025-6163 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18475.
When was CVE-2025-6163 published?: CVE-2025-6163 was published on 2025-06-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:a3002ru_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:*

More vulnerabilities in Totolink A3002ru Firmware

CVE-2024-34198 — Critical (CVSS 9.8): TOTOLINK AC1200 Wireless Router A3002RU V2.1.1-B20230720.1011 is vulnerable to Buffer Overflow. The formWlEncrypt CGI…
CVE-2022-35491 — Critical (CVSS 9.8): TOTOLINK A3002RU V3.0.0-B20220304.1804 has a hardcoded password for root in /etc/shadow.sample.
CVE-2019-19825 — Critical (CVSS 9.8): On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an…
CVE-2018-13316 — Critical (CVSS 9.8): System command injection in formAliasIp in TOTOLINK A3002RU version 1.0.8 allows attackers to execute system commands…
CVE-2018-13314 — Critical (CVSS 9.8): System command injection in formAliasIp in TOTOLINK A3002RU version 1.0.8 allows attackers to execute system commands…
CVE-2018-13307 — Critical (CVSS 9.8): System command injection in fromNtp in TOTOLINK A3002RU version 1.0.8 allows attackers to execute system commands via…

All CVEs affecting Totolink A3002ru 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 →