How severe is CVE-2024-7335?

CVE-2024-7335 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-2024-7335 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-7335?

CVE-2024-7335 affects Totolink Ex200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-7335?

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-2024-7335 have an EU (EUVD) identifier?

Yes. CVE-2024-7335 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48274.

When was CVE-2024-7335 published?

CVE-2024-7335 was published on 2024-08-01 and last updated on 2026-06-17.

CVE-2024-7335

CVE-2024-7335 is a high-severity vulnerability in Totolink Ex200 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: 8.7
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-48274
Weakness: CWE-120
Affected product: Totolink Ex200 Firmware
Published: 2024-08-01
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2024-7335?: A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2024-7335?: CVE-2024-7335 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-2024-7335 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-7335?: CVE-2024-7335 affects Totolink Ex200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-7335?: 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-2024-7335 have an EU (EUVD) identifier?: Yes. CVE-2024-7335 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48274.
When was CVE-2024-7335 published?: CVE-2024-7335 was published on 2024-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*

More vulnerabilities in Totolink Ex200 Firmware

CVE-2024-31810 — Critical (CVSS 9.8): TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a hardcoded password for root at /etc/shadow.sample.
CVE-2024-31807 — Critical (CVSS 9.8): TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability via the…
CVE-2021-43711 — Critical (CVSS 9.8): The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when…
CVE-2024-31815 — Critical (CVSS 9.1): In TOTOLINK EX200 V4.0.3c.7314_B20191204, an attacker can obtain the configuration file without authorization through…
CVE-2024-7336 — High (CVSS 8.8): A vulnerability classified as critical was found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected by this…
CVE-2024-31814 — High (CVSS 8.8): TOTOLINK EX200 V4.0.3c.7646_B20201211 allows attackers to bypass login through the Form_Login function.

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