CVE-2023-39617

Name: CVE-2023-39617
Creator: NVD / NIST
Published: 2023-08-21T02:15:09.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.39%

Last modified Jun 17, 2026

CVE-2023-39617 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TOTOLINK X5000R_V9.1.0cu.2089_B20211224 and X5000R_V9.1.0cu.2350_B20230313 were discovered to contain a remote code execution (RCE) vulnerability via the lang parameter in the setLanguageCfg function.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

TOTOLINK X5000R_V9.1.0cu.2089_B20211224 and X5000R_V9.1.0cu.2350_B20230313 were discovered to contain a remote code execution (RCE) vulnerability via the lang parameter in the setLanguageCfg function.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.39%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Totolink	X5000r Firmware	9.1.0cu.2089_b20211224
Totolink	X5000r Firmware	9.1.0cu.2350_b20230313

References

https://sedate-class-393.notion.site/TOTOlink-ee7eb0d4cd5d43e9983296200371eff1?pvs=4Exploit, Third Party Advisory
https://sedate-class-393.notion.site/TOTOlink-ee7eb0d4cd5d43e9983296200371eff1?pvs=4Exploit, Third Party Advisory

Timeline

Published: Aug 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39617?

How severe is CVE-2023-39617?

CVE-2023-39617 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39617?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39617?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST