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CVE-2025-5503: TOTOLINK X15 formMapReboot stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-03 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• TOTOLINK X15: 1.0.0-b20230714.1105

References

• https://github.com/Yhuanhuan01/TOTOlink/blob/main/TOTOlink-x15.md#poc2-stack_overflow
• https://vuldb.com/?ctiid.310917
• https://vuldb.com/?id.310917
• https://www.totolink.net/

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