CVE-2025-5503

Name: CVE-2025-5503
Creator: NVD / NIST
Published: 2025-06-03T15:16:00.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 3.57%

Last modified Jun 17, 2026

CVE-2025-5503 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. A vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. This affects the function formMapReboot of the file /boafrm/formMapReboot. EPSS estimates a 3.57% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. This affects the function formMapReboot of the file /boafrm/formMapReboot. The manipulation of the argument deviceMacAddr leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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

8.7/10

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:X/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

3.57%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	X15 Firmware	1.0.0-b20230714.1105

References

https://github.com/Yhuanhuan01/TOTOlink/blob/main/TOTOlink-x15.md#poc2-stack_overflowExploit, Third Party Advisory
https://vuldb.com/?ctiid.310917Permissions Required, VDB Entry
https://vuldb.com/?id.310917Third Party Advisory, VDB Entry
https://www.totolink.net/Product

Timeline

Published: Jun 3, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5503?

How severe is CVE-2025-5503?

CVE-2025-5503 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 3.57% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5503?

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-2025-5503?

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

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Source: NVD / NIST