CVE-2026-101103
The PEAK-System PCAN diagnostic call did not validate that the caller-supplied output buffer was large enough to hold the output record.
CVSS
5.5
Média
EPSS
0.1%
p2
KEV
—
Exploit Today
1
0-100
Publicado: 20 de out. de 2026 · Última mod.: 29 de out. de 2026 · CWE-120
0.1%EPSS · 30 dias0.1%
2026-10-212026-11-07
The PEAK-System PCAN diagnostic call did not validate that the caller-supplied output buffer was large enough to hold the output record.
- github.comhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json
- www.cisa.govhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01
- www.hms-networks.comhttps://www.hms-networks.com/cybersecurity
- www.peak-system.comhttps://www.peak-system.com/support/downloads/software/
CVECVSSEPSSKEVRExploitTítuloMod.
CVE-2026-1240609.1 CRÍ—
———A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.13hCVE-2026-1240599.1 CRÍ—
——0A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this vulnerability is the function setWiFiWdsAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ApCliKeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.15hCVE-2026-1240589.1 CRÍ—
——0A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. Affected is the function setWiFiRepeaterConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ApCliKeyStr 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.15hCVE-2026-1240579.1 CRÍ—
——0A security flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiMultipleConfig of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument Key1Str1 results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.16hCVE-2026-1239619.9 CRÍ—
——0A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument KeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.23hCVE-2026-1239609.9 CRÍ56.7%
——17A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument pppoeUser/priDns/secDns 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.1d