How severe is CVE-2023-43141?

CVE-2023-43141 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-2023-43141 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43141?

CVE-2023-43141 primarily affects Totolink A3700r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43141?

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-2023-43141 published?

CVE-2023-43141 was published on 2023-09-25 and last updated on 2026-07-09.

CVE-2023-43141

CVE-2023-43141 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Totolink A3700r Firmware
Published: 2023-09-25
Last modified: 2026-07-09

Description

TOTOLINK A3700R V9.1.2u.6134_B20201202 and N600R V5.3c.5137 are vulnerable to Incorrect Access Control.

Frequently asked questions

What is CVE-2023-43141?: TOTOLINK A3700R V9.1.2u.6134_B20201202 and N600R V5.3c.5137 are vulnerable to Incorrect Access Control.
How severe is CVE-2023-43141?: CVE-2023-43141 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-2023-43141 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43141?: CVE-2023-43141 primarily affects Totolink A3700r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43141?: 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-2023-43141 published?: CVE-2023-43141 was published on 2023-09-25 and last updated on 2026-07-09.

References

https://github.com/Blue-And-White/vul/blob/main/Iot/TOTOLINK/1/readme.md

Affected products (2)

cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.6134_b20201202:*:*:*:*:*:*:*
cpe:2.3:o:totolink:n600r_firmware:4.3.0cu.7647_b20210106:*:*:*:*:*:*:*

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