What is CVE-2025-60686?

CVE-2025-60686 is a medium-severity vulnerability in Totolink A720r, classified under Stack-based Buffer Overflow. CVSS score: 5.1/10. Published 2025-11-13.

How severe is CVE-2025-60686?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Buffer overflow in Totolink A720r

CVE-2025-60686

A local stack-based buffer overflow vulnerability exists in the infostat.cgi and cstecgi.cgi binaries of ToToLink routers (A720R V4.1.5cu.614_B20230630, LR1200GB V9.1.0u.6619_B20230130, and NR1800X V9.1.0u.6681_B20230703). Both programs pa…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Totolink A720r
Totolink A720r_firmware — versions 4.1.5cu.614_b20230630
Totolink Lr1200gb
Totolink Lr1200gb_firmware — versions 9.1.0u.6619_b20230130
Totolink Nr1800x
Totolink Nr1800x_firmware — versions 9.1.0u.6681_b20230703
N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

cve@mitre.org (Broken Link)
cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-60686?: CVE-2025-60686 is a medium-severity vulnerability in Totolink A720r, classified under Stack-based Buffer Overflow. CVSS score: 5.1/10. Published 2025-11-13.
How severe is CVE-2025-60686?: Medium severity. CVSS v3 base score is 5.1 out of 10.