How severe is CVE-2024-36650?

CVE-2024-36650 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-36650 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-36650?

CVE-2024-36650 affects Totolink A3100r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-36650?

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-2024-36650 have an EU (EUVD) identifier?

Yes. CVE-2024-36650 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36173.

When was CVE-2024-36650 published?

CVE-2024-36650 was published on 2024-06-11 and last updated on 2026-06-17.

CVE-2024-36650

CVE-2024-36650 is a high-severity vulnerability in Totolink A3100r Firmware with a CVSS 3.x base score of 7.5. 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 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36173
Weakness: CWE-120
Affected product: Totolink A3100r Firmware
Published: 2024-06-11
Last modified: 2026-06-17

Description

TOTOLINK AC1200 Wireless Dual Band Gigabit Router firmware A3100R V4.1.2cu.5247_B20211129, in the cgi function `setNoticeCfg` of the file `/lib/cste_modules/system.so`, the length of the user input string `NoticeUrl` is not checked. This can lead to a buffer overflow, allowing attackers to construct malicious HTTP or MQTT requests to cause a denial-of-service attack.

Frequently asked questions

What is CVE-2024-36650?: TOTOLINK AC1200 Wireless Dual Band Gigabit Router firmware A3100R V4.1.2cu.5247_B20211129, in the cgi function `setNoticeCfg` of the file `/lib/cste_modules/system.so`, the length of the user input string `NoticeUrl` is not checked. This can lead to a buffer overflow, allowing attackers to construct malicious HTTP or MQTT requests to cause a denial-of-service attack.
How severe is CVE-2024-36650?: CVE-2024-36650 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-36650 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-36650?: CVE-2024-36650 affects Totolink A3100r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-36650?: 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-2024-36650 have an EU (EUVD) identifier?: Yes. CVE-2024-36650 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36173.
When was CVE-2024-36650 published?: CVE-2024-36650 was published on 2024-06-11 and last updated on 2026-06-17.

References

https://gist.github.com/Swind1er/f442fcac520a48c05c744c7b72362483

Affected products (1)

cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5247_b20211129:*:*:*:*:*:*:*

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