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Description

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A security flaw has been discovered in B-Link BL-AC2100 up to 1.0.3. Affected by this issue is the function delshrpath of the file /goform/set_delshrpath_cfg of the component Web Management Interface. The manipulation of the argument Type results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

Es wurde eine Schwachstelle in B-Link BL-AC2100 bis 1.0.3 entdeckt. Dabei geht es um die Funktion delshrpath der Datei /goform/set_delshrpath_cfg der Komponente Web Management Interface. Durch das Manipulieren des Arguments Type mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff lässt sich über das Netzwerk starten. Die Ausnutzung wurde veröffentlicht und kann verwendet werden.

PUBLISHED Reserved 2025-09-21 | Published 2025-09-22 | Updated 2025-09-30 | 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
affected

1.0.1
affected

1.0.2
affected

1.0.3
affected

Timeline

2025-09-21:Advisory disclosed
2025-09-21:VulDB entry created
2025-09-21:VulDB entry last update

Credits

MaximDeVere (VulDB User) reporter

References

github.com/maximdevere/CVE2/blob/main/README.md exploit

vuldb.com/?id.325129 (VDB-325129 | B-Link BL-AC2100 Web Management set_delshrpath_cfg delshrpath stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.325129 (VDB-325129 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.649901 (Submit #649901 | LB-LINK AC2100 V1.0.3 Stack-based Buffer Overflow) third-party-advisory

github.com/maximdevere/CVE2/blob/main/README.md exploit

cve.org (CVE-2025-10773)

nvd.nist.gov (CVE-2025-10773)

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