01 Record

CVE-2026-19812

TOTOLINK A800R product.so cstecgi.cgi UploadCustomModule stack-based overflow

HighPUBLISHEDCNA: VulDB

Base score8.7 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

02 Description

TOTOLINK A800R product.so cstecgi.cgi UploadCustomModule stack-based overflow

Published: 2026-08-14 07:30Z10 HR AGO
Last updated: 2026-08-14 14:54Z3 HR AGO
Reserved: 2026-08-14
Assigning CNA: VulDB
Record state: PUBLISHED
Severity: High (CVSS 8.7)
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Weaknesses: CWE-119 CWE-121
SSVC decision: ExploitationpocAutomatablenoTechnical Impacttotal
Data version: 5.2
Document digest: 3b30ec54800d99ecb5ad76ddebd22d0587b3df14a40deb241f36612b12793345

VendorProductVersionsPlatforms

TOTOLINKA800R4.1.2cu.5137_B20200730—

vuldb.comVDB-389948 | TOTOLINK A800R product.so cstecgi.cgi UploadCustomModule stack-based overflowhttps://vuldb.com/vuln/389948vdb-entrytechnical-description
vuldb.comVDB-389948 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/389948/ctisignaturepermissions-required
vuldb.comCVE-2026-19812 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-19812third-party-advisory
vuldb.comSubmit #869428 | Totolink A800R V4.1.2cu.5137_B20200730 Buffer Overflowhttps://vuldb.com/submit/869428third-party-advisory
github.comhttps://github.com/panda666-888/vuls/blob/main/totolink/a800r/UploadCustomModule.mdexploit
www.totolink.nethttps://www.totolink.net/product