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Description

A vulnerability was determined in Tenda A18 Pro 02.03.02.28. The impacted element is the function sub_423B50 of the file /goform/setMacFilterCfg of the component MAC Filtering Configuration Endpoint. Executing a manipulation of the argument deviceList can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

PUBLISHED Reserved 2026-03-20 | Published 2026-03-20 | Updated 2026-03-20 | 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

02.03.02.28
affected

Timeline

2026-03-20:Advisory disclosed
2026-03-20:VulDB entry created
2026-03-20:VulDB entry last update

Credits

lilukun (VulDB User) reporter

References

vuldb.com/?id.352019 (VDB-352019 | Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.352019 (VDB-352019 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.773727 (Submit #773727 | Tenda A18pro V02.03.02.28 Stack-based Buffer Overflow) third-party-advisory

github.com/lilukun337/cve/issues/5 exploit issue-tracking

www.tenda.com.cn/ product

cve.org (CVE-2026-4493)

nvd.nist.gov (CVE-2026-4493)

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