CVE-2024-7463
CVE-2024-7463 is a high-severity vulnerability in Totolink Cp900 Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. 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: 8.7
- EPSS exploit prediction: 11% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-48384
- Weakness: CWE-120
- Affected product: Totolink Cp900 Firmware
- Published:
- Last modified:
Description
A vulnerability classified as critical was found in TOTOLINK CP900 6.3c.566. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273556. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2024-7463?
- A vulnerability classified as critical was found in TOTOLINK CP900 6.3c.566. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273556. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2024-7463?
- CVE-2024-7463 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-2024-7463 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-7463?
- CVE-2024-7463 affects Totolink Cp900 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-7463?
- 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-2024-7463 have an EU (EUVD) identifier?
- Yes. CVE-2024-7463 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48384.
- When was CVE-2024-7463 published?
- CVE-2024-7463 was published on 2024-08-05 and last updated on 2026-06-17.
References
- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/CP900/UploadCustomModule.md
- https://vuldb.com/?ctiid.273556
- https://vuldb.com/?id.273556
- https://vuldb.com/?submit.381333
Affected products (1)
- cpe:2.3:o:totolink:cp900_firmware:6.3c.566:*:*:*:*:*:*:*
More vulnerabilities in Totolink Cp900 Firmware
- CVE-2022-28495 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the…
- CVE-2022-28496 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 discovered to contain a command injection vulnerability in the…
- CVE-2022-28497 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the…
- CVE-2022-28493 — Critical (CVSS 9.8): A vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,
- CVE-2022-28491 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 contains a command injection vulnerability in the NTPSyncWithHost…
- CVE-2022-28492 — Critical (CVSS 9.8): TOTOLINK Technology CPE with firmware V6.3c.566 ,allows remote attackers to bypass Login.
All CVEs affecting Totolink Cp900 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 →