What’s Vulnerable › Vulnerabilities

CVE-2018-19524

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 50.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-21 · updated 2026-06-17
• Weakness: CWE-20

Description

An issue was discovered on Shenzhen Skyworth DT741 Converged Intelligent Terminal (G/EPON+IPTV) SDOTBGN1, DT721-cb SDOTBGN1, and DT741-cb SDOTBGN1 devices. A long password to the Web_passwd function allows remote attackers to cause a denial of service (segmentation fault) or achieve unauthenticated remote code execution because of control of registers S0 through S4 and T4 through T7.

Affected products

• Skyworthdigital Dt721-Cb Firmware: sdotbgn1
• Skyworthdigital Dt740 Firmware: sdotbgn1
• Skyworthdigital Dt741-Cb Firmware: sdotbgn1

References

• http://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.html
• http://seclists.org/fulldisclosure/2019/Feb/30
• https://s3curityb3ast.github.io/KSA-Dev-001.md
• https://seclists.org/bugtraq/2019/Feb/21
• https://www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html
• https://www.exploit-db.com/exploits/46358/
• http://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.html
• http://seclists.org/fulldisclosure/2019/Feb/30
• https://s3curityb3ast.github.io/KSA-Dev-001.md
• https://seclists.org/bugtraq/2019/Feb/21
• https://www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html
• https://www.exploit-db.com/exploits/46358/

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