SysUpdate

Signals

NVD · CVE-2026-18907 · Path Traversal in Download File Feature in com.talpa.hibrowser 2.23.1.1 on Android allows arbitrary file write via directory traversal sequences in the filenameNVD · CVE-2026-18897 · 8.8 · A vulnerability was identified in UTT HiPER 1250GW up to v3.2.7-210907-180535. The impacted element is the function strcpy of the file /goform/getOneApConfTempENVD · CVE-2026-18896 · 6.3 · A vulnerability was determined in lavkush-maurya Student-Registration-System 1.0. The affected element is an unknown function of the file /student/changepass.phNVD · CVE-2026-18895 · 8.8 · A vulnerability was found in UTT HiPER 1250GW up to 3.2.7-210907-180535. Impacted is the function strcpy of the file /goform/APSecurity_5g. Performing a manipulCISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 7.5 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07NVD · CVE-2026-18907 · Path Traversal in Download File Feature in com.talpa.hibrowser 2.23.1.1 on Android allows arbitrary file write via directory traversal sequences in the filenameNVD · CVE-2026-18897 · 8.8 · A vulnerability was identified in UTT HiPER 1250GW up to v3.2.7-210907-180535. The impacted element is the function strcpy of the file /goform/getOneApConfTempENVD · CVE-2026-18896 · 6.3 · A vulnerability was determined in lavkush-maurya Student-Registration-System 1.0. The affected element is an unknown function of the file /student/changepass.phNVD · CVE-2026-18895 · 8.8 · A vulnerability was found in UTT HiPER 1250GW up to 3.2.7-210907-180535. Impacted is the function strcpy of the file /goform/APSecurity_5g. Performing a manipulCISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 7.5 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07

Malware & Tools · SysUpdate

· MalwareS0663 · Zararlı Yazılım

Type

malware

Techniques

Used By

1 groups

Platforms

Windows, Linux

Description

SysUpdate is a backdoor written in C++ that has been used by Threat Group-3390 since at least 2020.(Citation: Trend Micro Iron Tiger April 2021)

Tactic Coverage

discovery (8)stealth (8)execution (4)command and control (4)persistence (4)privilege escalation (3)collection (2)defense impairment (2)exfiltration (1)

Used By (1 groups)

G0027Threat Group-3390Earth Smilodon, TG-3390

Techniques (31)

T1005Data from Local System

collection

T1007System Service Discovery

discovery

T1016System Network Configuration Discovery

discovery

T1016.001Internet Connection Discovery

discovery

T1027.002Software Packing

stealth

T1027.011Fileless Storage

stealth

T1027.013Encrypted/Encoded File

References

https://attack.mitre.org/software/S0663 https://www.trendmicro.com/en_us/research/21/d/iron-tiger-apt-updates-toolkit-with-evolved-sysupdate-malware-va.html