Insecure DLL loading in RSUPPORT RemoteCall Remote Support Program (for Operator)

1) Insecure DLL loading

EUVDB-ID: #VU117331

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-26861

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to uncontrolled search path element. A local attacker can place a specially crafted .dll file and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RemoteCall Remote Support Program (for Operator): before 5.3.0

CPE2.3

• cpe:2.3:a:rsupport:remotecall_remote_support_program_for_operator:*:*:*:*:*:*:*:*

External links

https://jvn.jp/en/jp/JVN22713803/index.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.