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A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been rated as critical. Affected by this issue is the function setUpgradeUboot of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Eine kritische Schwachstelle wurde in TOTOLINK CA300-PoE 6.2c.884 ausgemacht. Betroffen davon ist die Funktion setUpgradeUboot der Datei upgrade.so. Durch Manipulieren des Arguments FileName mit unbekannten Daten kann eine os command injection-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-06-25 | Published 2025-06-25 | Updated 2025-06-26 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

OS Command Injection

Command Injection

Product status

6.2c.884
affected

Timeline

2025-06-25:Advisory disclosed
2025-06-25:VulDB entry created
2025-06-25:VulDB entry last update

Credits

pjqwudi (VulDB User) reporter

References

github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md exploit

github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md exploit

vuldb.com/?id.313838 (VDB-313838 | TOTOLINK CA300-PoE upgrade.so setUpgradeUboot os command injection) vdb-entry technical-description

vuldb.com/?ctiid.313838 (VDB-313838 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.602265 (Submit #602265 | TOTOLink CA300-PoE V6.2c.884 OS Command Injection) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md related

github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md exploit

www.totolink.net/ product

cve.org (CVE-2025-6620)

nvd.nist.gov (CVE-2025-6620)

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