by Kastro
Paper/Archive/CVE-2026-82616

CVE-2026-82616

TOTOLINK NR1800X — TOTOLINK NR1800X cstecgi.cgi setUploadSetting stack-based overflow

EPSS 0.9%public exploitCVSS 9.9
critical.is priorityof 100
51
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 58.3.583 × 2011.7Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
NR1800X9.1.0u.6681_B20230703–CNA

Scores by source

VulDB (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.4CVSS: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
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

writeupvuldb.com/vuln/397117refvuldb.com/vuln/397117/ctiwriteupvuldb.com/cve/CVE-2026-82616writeupvuldb.com/submit/892941exploitgithub.com/lxiansheng488-bit/-/blob/main/TOTOlink/totolink%20setUploadSetting%E6%A0%88%E6%BA%A2%E5%87%BA.pdfreftotolink.net