How severe is CVE-2023-50147?

CVE-2023-50147 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-50147 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50147?

CVE-2023-50147 affects Totolink A3700r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50147?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-50147 published?

CVE-2023-50147 was published on 2023-12-22 and last updated on 2026-06-17.

CVE-2023-50147

CVE-2023-50147 is a critical-severity vulnerability in Totolink A3700r Firmware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Totolink A3700r Firmware
Published: 2023-12-22
Last modified: 2026-06-17

Description

There is an arbitrary command execution vulnerability in the setDiagnosisCfg function of the cstecgi .cgi of the TOTOlink A3700R router device in its firmware version V9.1.2u.5822_B20200513.

Frequently asked questions

What is CVE-2023-50147?: There is an arbitrary command execution vulnerability in the setDiagnosisCfg function of the cstecgi .cgi of the TOTOlink A3700R router device in its firmware version V9.1.2u.5822_B20200513.
How severe is CVE-2023-50147?: CVE-2023-50147 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-50147 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50147?: CVE-2023-50147 affects Totolink A3700r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50147?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-50147 published?: CVE-2023-50147 was published on 2023-12-22 and last updated on 2026-06-17.

References

https://815yang.github.io/2023/12/04/a3700r/TOTOlink%20A3700R%28setDiagnosisCfg%29/

Affected products (1)

cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:*:*:*:*:*:*:*

More vulnerabilities in Totolink A3700r Firmware

CVE-2024-42545 — Critical (CVSS 9.8): TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the ssid parameter in setWizardCfg…
CVE-2024-42543 — Critical (CVSS 9.8): TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the loginauth…
CVE-2024-37637 — Critical (CVSS 9.8): TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid5g in the function…
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CVE-2024-37632 — Critical (CVSS 9.8): TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via the password parameter in function…

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