How severe is CVE-2023-4412?

CVE-2023-4412 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-2023-4412 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-2023-4412?

CVE-2023-4412 affects Totolink Ex1200l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4412?

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

When was CVE-2023-4412 published?

CVE-2023-4412 was published on 2023-08-18 and last updated on 2026-06-17.

CVE-2023-4412

CVE-2023-4412 is a medium-severity vulnerability in Totolink Ex1200l 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-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Totolink Ex1200l Firmware
Published: 2023-08-18
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This issue affects the function setWanCfg. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237515. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-4412?: A vulnerability was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This issue affects the function setWanCfg. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237515. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-4412?: CVE-2023-4412 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-2023-4412 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-2023-4412?: CVE-2023-4412 affects Totolink Ex1200l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4412?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4412 published?: CVE-2023-4412 was published on 2023-08-18 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Totolink Ex1200l Firmware

CVE-2023-51035 — Critical (CVSS 9.8): TOTOLINK EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution on the cstecgi.cgi NTPSyncWithHost…
CVE-2023-51034 — Critical (CVSS 9.8): TOTOlink EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution via the cstecgi.cgi…
CVE-2023-51033 — Critical (CVSS 9.8): TOTOlink EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution via the cstecgi.cgi setOpModeCfg…
CVE-2024-7909 — High (CVSS 8.8): A vulnerability has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023 and classified as critical. Affected by this…
CVE-2024-7908 — High (CVSS 8.8): A vulnerability, which was classified as critical, was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected is the…
CVE-2024-7338 — High (CVSS 8.8): A vulnerability, which was classified as critical, was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects…

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