How severe is CVE-2023-7222?

CVE-2023-7222 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-2023-7222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-7222?

CVE-2023-7222 affects Totolink X2000r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-7222?

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-2023-7222 have an EU (EUVD) identifier?

Yes. CVE-2023-7222 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59403.

When was CVE-2023-7222 published?

CVE-2023-7222 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2023-7222

CVE-2023-7222 is a high-severity vulnerability in Totolink X2000r 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 8.3
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59403
Weakness: CWE-787
Affected product: Totolink X2000r Firmware
Published: 2024-01-09
Last modified: 2026-06-17

Description

A vulnerability was found in Totolink X2000R 1.0.0-B20221212.1452. It has been declared as critical. This vulnerability affects the function formTmultiAP of the file /bin/boa of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. 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-249856. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-7222?: A vulnerability was found in Totolink X2000R 1.0.0-B20221212.1452. It has been declared as critical. This vulnerability affects the function formTmultiAP of the file /bin/boa of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. 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-249856. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-7222?: CVE-2023-7222 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-2023-7222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-7222?: CVE-2023-7222 affects Totolink X2000r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-7222?: 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-2023-7222 have an EU (EUVD) identifier?: Yes. CVE-2023-7222 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59403.
When was CVE-2023-7222 published?: CVE-2023-7222 was published on 2024-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:x2000r_firmware:1.0.0-b20221212.1452:*:*:*:*:*:*:*

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