How severe is CVE-2024-7158?

CVE-2024-7158 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-7158 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-7158?

CVE-2024-7158 affects Totolink A3100r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-7158?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-7158 have an EU (EUVD) identifier?

Yes. CVE-2024-7158 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48126.

When was CVE-2024-7158 published?

CVE-2024-7158 was published on 2024-07-28 and last updated on 2026-06-17.

CVE-2024-7158

CVE-2024-7158 is a medium-severity vulnerability in Totolink A3100r Firmware with a CVSS 3.x base score of 6.3. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-48126
Weakness: CWE-77
Affected product: Totolink A3100r Firmware
Published: 2024-07-28
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050_B20200504. It has been declared as critical. This vulnerability affects the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument telnet_enabled leads to command injection. 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-272572. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2024-7158?: A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050_B20200504. It has been declared as critical. This vulnerability affects the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument telnet_enabled leads to command injection. 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-272572. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2024-7158?: CVE-2024-7158 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-7158 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-7158?: CVE-2024-7158 affects Totolink A3100r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-7158?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-7158 have an EU (EUVD) identifier?: Yes. CVE-2024-7158 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48126.
When was CVE-2024-7158 published?: CVE-2024-7158 was published on 2024-07-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:*

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