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Description

A vulnerability was identified in Tenda F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the file /goform/PPTPDClient. Such manipulation of the argument username/opttype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

PUBLISHED Reserved 2026-03-07 | Published 2026-03-08 | Updated 2026-03-08 | 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

1.0.0.3
affected

3.As
affected

Timeline

2026-03-07:Advisory disclosed
2026-03-07:VulDB entry created
2026-03-07:VulDB entry last update

Credits

LtzHust (VulDB User) reporter

References

vuldb.com/?id.349707 (VDB-349707 | Tenda F453 PPTPDClient fromPptpUserAdd stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.349707 (VDB-349707 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.766934 (Submit #766934 | Tenda F453 v1.0.0.3 Stack-based Buffer Overflow) third-party-advisory

github.com/...ngzheng/vul_db/blob/main/F453/vul_98/README.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-3729)

nvd.nist.gov (CVE-2026-3729)

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