CVE-2026-5830 | THREATINT

Description

A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

PUBLISHED Reserved 2026-04-08 | Published 2026-04-09 | Updated 2026-04-09 | 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

Stack-based Buffer Overflow

Memory Corruption

Product status

15.03.05.18

affected

Timeline

2026-04-08:	Advisory disclosed
2026-04-08:	VulDB entry created
2026-04-08:	VulDB entry last update

Credits

meshaal (VulDB User) reporter

References

vuldb.com/vuln/356277 (VDB-356277 | Tenda AC15 SysToolChangePwd websGetVar stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/356277/cti (VDB-356277 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/789178 (Submit #789178 | Tenda AC15 15.03.05.18 Memory Corruption) third-party-advisory

files.catbox.moe/xrk8jb.zip exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-5830)

nvd.nist.gov (CVE-2026-5830)

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