How severe is CVE-2024-7909?

CVE-2024-7909 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-2024-7909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-7909?

CVE-2024-7909 affects Totolink Ex1200l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-7909?

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-2024-7909 have an EU (EUVD) identifier?

Yes. CVE-2024-7909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48750.

When was CVE-2024-7909 published?

CVE-2024-7909 was published on 2024-08-18 and last updated on 2026-06-17.

CVE-2024-7909

CVE-2024-7909 is a high-severity vulnerability in Totolink Ex1200l 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 8.7
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-48750
Weakness: CWE-787
Affected product: Totolink Ex1200l Firmware
Published: 2024-08-18
Last modified: 2026-06-17

Description

A vulnerability has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023 and classified as critical. Affected by this vulnerability is the function setLanguageCfg of the file /www/cgi-bin/cstecgi.cgi. The manipulation of the argument langType leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2024-7909?: A vulnerability has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023 and classified as critical. Affected by this vulnerability is the function setLanguageCfg of the file /www/cgi-bin/cstecgi.cgi. The manipulation of the argument langType leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2024-7909?: CVE-2024-7909 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-2024-7909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-7909?: CVE-2024-7909 affects Totolink Ex1200l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-7909?: 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-2024-7909 have an EU (EUVD) identifier?: Yes. CVE-2024-7909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48750.
When was CVE-2024-7909 published?: CVE-2024-7909 was published on 2024-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:ex1200l_firmware:9.3.5u.6146_b20201023:*:*:*:*:*:*:*

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