What is CVE-2025-45797?

CVE-2025-45797 is a critical-severity vulnerability in Totolink A950rg, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2025-05-08.

How severe is CVE-2025-45797?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Totolink A950rg

CVE-2025-45797

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.

Vulnerability class: Buffer Overflow

EPSS: 0.118 (95.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink A950rg
Totolink A950rg_firmware — versions 4.1.2cu.5204_b20210112
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write
CWE-121 — Stack-based Buffer Overflow

References

cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2025-45797?: CVE-2025-45797 is a critical-severity vulnerability in Totolink A950rg, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2025-05-08.
How severe is CVE-2025-45797?: Critical severity. CVSS v3 base score is 9.8 out of 10.