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Description

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A vulnerability, which was classified as critical, was found in Linksys E8450 up to 1.2.00.360516. This affects the function set_device_language of the file portal.cgi of the component HTTP POST Request Handler. The manipulation of the argument dut_language leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Es wurde eine kritische Schwachstelle in Linksys E8450 bis 1.2.00.360516 gefunden. Betroffen hiervon ist die Funktion set_device_language der Datei portal.cgi der Komponente HTTP POST Request Handler. Durch Beeinflussen des Arguments dut_language mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-06-26 | Published 2025-06-27 | Updated 2025-06-27 | 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

1.2.00.360516
affected

Timeline

2025-06-26:Advisory disclosed
2025-06-26:VulDB entry created
2025-06-26:VulDB entry last update

Credits

CH13hh (VulDB User) reporter

References

vuldb.com/?id.314049 (VDB-314049 | Linksys E8450 HTTP POST Request portal.cgi set_device_language buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.314049 (VDB-314049 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.598217 (Submit #598217 | Linksys Holdings, Inc. E8450 <=Ver. 1.2.00.360516 Buffer Overflow) third-party-advisory

github.com/CH13hh/tmp_store_cc/blob/main/E8450/1.md related

github.com/CH13hh/tmp_store_cc/blob/main/E8450/1.md exploit

www.linksys.com/ product

cve.org (CVE-2025-6751)

nvd.nist.gov (CVE-2025-6751)

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