High severity8.8NVD Advisory· Published Jul 17, 2025· Updated Jun 17, 2026
CVE-2025-7758
CVE-2025-7758
Description
A vulnerability, which was classified as critical, has been found in TOTOLINK T6 up to 4.1.5cu.748_B20211015. Affected by this issue is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
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Affected products
3- cpe:2.3:o:totolink:t6_firmware:v4.1.5cu.748_b20211015:*:*:*:*:*:*:*
- TOTOLINK/T6v5Range: 4.1.5cu.748_B20211015
Patches
Vulnerability mechanics
References
6- github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.mdnvdExploitThird Party Advisory
- github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.mdnvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions Required
- www.totolink.netnvdProduct
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