Home

Description

A vulnerability was detected in code-projects for Plugin 4.1.2cu.5137. The impacted element is the function setWiFiMultipleConfig in the library /lib/cste_modules/wireless.so of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument wepkey2 results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.

PUBLISHED Reserved 2026-04-30 | Published 2026-04-30 | Updated 2026-05-04 | Assigner VulDB




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

4.1.2cu.5137
affected

Timeline

2026-04-30:Advisory disclosed
2026-04-30:VulDB entry created
2026-04-30:VulDB entry last update

Credits

xuanyu (VulDB User) reporter

References

vuldb.com/vuln/360313 (VDB-360313 | code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflow) vdb-entry technical-description

vuldb.com/vuln/360313/cti (VDB-360313 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/803120 (Submit #803120 | TOTOLINK A800R V4.1.2cu.5137_B20200730 Stack-based Buffer Overflow) third-party-advisory

github.com/...0R/02_Buffer_Overflow_setWiFiMultipleConfig.md exploit

code-projects.org/ product

cve.org (CVE-2026-7503)

nvd.nist.gov (CVE-2026-7503)

Download JSON