CVE-2018-19524 EXPLOIT
9.8
CRITICAL · CVSS 3.0 · EPSS 50.5% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 50.52% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-03-21 |
| Last modified | 2026-06-17 |
Affected (6)
| Vendor | Product |
|---|---|
| skyworthdigital | dt721-cb |
| skyworthdigital | dt721-cb firmware |
| skyworthdigital | dt740 |
| skyworthdigital | dt740 firmware |
| skyworthdigital | dt741-cb |
| skyworthdigital | dt741-cb firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Skyworth GPON HomeGateways and Optical Network Terminals - Stack Overflow | 2019-02-12 |
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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