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Description

A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

PUBLISHED Reserved 2026-01-06 | Published 2026-01-06 | Updated 2026-02-23 | 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

16.03.07.52
affected

Timeline

2026-01-06:Advisory disclosed
2026-01-06:VulDB entry created
2026-01-15:VulDB entry last update

Credits

xuanyu (VulDB User) reporter

References

vuldb.com/?id.339683 (VDB-339683 | Tenda AC23 PowerSaveSet sscanf buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.339683 (VDB-339683 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.731772 (Submit #731772 | Tenda AC23 V16.03.07.52 Buffer Overflow) third-party-advisory

github.com/..._Buffer_Overflow/Tenda AC23_Buffer_Overflow.md broken-link exploit

github.com/..._Buffer_Overflow/Tenda AC23_Buffer_Overflow.md broken-link exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-0640)

nvd.nist.gov (CVE-2026-0640)

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