CVE-2025-45797

9.8 CRITICAL 18% exploit odds No fix listed Memory safety Device

What it is

TOTOlink A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the NoticeUrl parameter in the setNoticeCfg interface of /lib/cste_modules/system.so.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 18.3% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2025-05-08 20:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:25 UTC Last updatedMost recent change to the record

Details

Published: 2025-05-08 20:15 UTC
Last modified: 2026-06-17 09:25 UTC
Exploit probability: 18.3% · EPSS, next 30 days
Weakness: CWE-787 · Out-of-bounds write
Record status: Analyzed

Affected

Totolink a950rg Firmware 4.1.2cu.5204_b20210112

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

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References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setNoticeCFG-NoticURL-buffer.md

NVD record · CVE.org record