CVE-2025-5909

Name: CVE-2025-5909
Creator: NVD / NIST
Published: 2025-06-10T02:15:21.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2025-5909 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713. Affected is an unknown function of the file /boafrm/formReflashClientTbl of the component HTTP POST Request Handler. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713. Affected is an unknown function of the file /boafrm/formReflashClientTbl of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.09%

61.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	Ex1200t Firmware	<= 4.1.2cu.5232_b20210713

References

https://github.com/byxs0x0/cve2/blob/main/5.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.311682Permissions Required, VDB Entry
https://vuldb.com/?id.311682Third Party Advisory, VDB Entry
https://vuldb.com/?submit.592270Third Party Advisory, VDB Entry
https://www.totolink.net/Product
https://github.com/byxs0x0/cve2/blob/main/5.mdExploit, Third Party Advisory

Timeline

Published: Jun 10, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5909?

How severe is CVE-2025-5909?

CVE-2025-5909 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5909?

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-2025-5909?

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

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Source: NVD / NIST