CVE-2026-82616

8.6 highEPSS 0.9%

High (8.6). EPSS 0.9% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681_B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

Severity

CVSS 4.0

8.6 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CVSS 3.1

9.9 critical

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-11-01)
CWEs: CWE-119, CWE-121
Published: 2026-08-31
Modified: 2026-09-01
Record from: the NVD, synced 2026-10-19

References

https://github.com/lxiansheng488-bit/-/blob/main/TOTOlink/totolink%20setUploadSetting%E6%A0%88%E6%BA%A2%E5%87%BA.pdf
https://vuldb.com/cve/CVE-2026-82616
https://vuldb.com/submit/892941
https://vuldb.com/vuln/397117
https://vuldb.com/vuln/397117/cti

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