How severe is CVE-2023-7213?

CVE-2023-7213 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-2023-7213 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-7213?

CVE-2023-7213 affects Totolink N350rt Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-7213?

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

Does CVE-2023-7213 have an EU (EUVD) identifier?

Yes. CVE-2023-7213 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59394.

When was CVE-2023-7213 published?

CVE-2023-7213 was published on 2024-01-07 and last updated on 2026-06-17.

CVE-2023-7213

CVE-2023-7213 is a medium-severity vulnerability in Totolink N350rt 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59394
Weakness: CWE-787
Affected product: Totolink N350rt Firmware
Published: 2024-01-07
Last modified: 2026-06-17

Description

A vulnerability classified as critical was found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this vulnerability is the function main of the file /cgi-bin/cstecgi.cgi?action=login&flag=1 of the component HTTP POST Request Handler. The manipulation of the argument v33 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249769 was 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-2023-7213?: A vulnerability classified as critical was found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this vulnerability is the function main of the file /cgi-bin/cstecgi.cgi?action=login&flag=1 of the component HTTP POST Request Handler. The manipulation of the argument v33 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249769 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-7213?: CVE-2023-7213 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-2023-7213 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-7213?: CVE-2023-7213 affects Totolink N350rt Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-7213?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-7213 have an EU (EUVD) identifier?: Yes. CVE-2023-7213 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59394.
When was CVE-2023-7213 published?: CVE-2023-7213 was published on 2024-01-07 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

CVE-2025-51630 — Critical (CVSS 9.8): TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a buffer overflow via the ePort parameter in the…
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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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