How severe is CVE-2023-7218?

CVE-2023-7218 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-7218 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-7218?

CVE-2023-7218 affects Totolink N350rt Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-7218?

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-2023-7218 have an EU (EUVD) identifier?

Yes. CVE-2023-7218 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59399.

When was CVE-2023-7218 published?

CVE-2023-7218 was published on 2024-01-08 and last updated on 2026-06-17.

CVE-2023-7218

CVE-2023-7218 is a high-severity vulnerability in Totolink N350rt Firmware with a CVSS 3.x base score of 7.2. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 8.3
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59399
Weakness: CWE-121
Affected product: Totolink N350rt Firmware
Published: 2024-01-08
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in Totolink N350RT 9.3.5u.6139_B202012. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-249852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-7218?: A vulnerability, which was classified as critical, was found in Totolink N350RT 9.3.5u.6139_B202012. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-249852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-7218?: CVE-2023-7218 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-7218 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-7218?: CVE-2023-7218 affects Totolink N350rt Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-7218?: 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-2023-7218 have an EU (EUVD) identifier?: Yes. CVE-2023-7218 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59399.
When was CVE-2023-7218 published?: CVE-2023-7218 was published on 2024-01-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:n350rt_firmware:9.3.5u.6139_b20201216:*:*:*:*:*:*:*

More vulnerabilities in Totolink N350rt Firmware

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CVE-2022-36488 — High (CVSS 7.8): TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a stack overflow via the sPort parameter in the…
CVE-2022-36487 — High (CVSS 7.8): TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a command injection vulnerability via the command…

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