CVE-2018-19524
CriticalPublic exploitAn issue was discovered on Shenzhen Skyworth DT741 Converged Intelligent Terminal (G/EPON+IPTV) SDOTBGN1, DT721-cb SDOTBGN1, and DT741-cb SDOTBGN1 devices.
Published Mar 21, 2019 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2018-19524 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Dt721-Cb Firmware (Skyworthdigital), Dt740 Firmware (Skyworthdigital), Dt741-Cb Firmware (Skyworthdigital).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 51% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
51%
Higher than 98.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2018-19524 brief as a PDF
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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
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Dt721-Cb FirmwareSkyworthdigital | sdotbgn1 | n/a |
| Dt740 FirmwareSkyworthdigital | sdotbgn1 | n/a |
| Dt741-Cb FirmwareSkyworthdigital | sdotbgn1 | n/a |
Timeline
Publicly disclosed
Mar 21, 2019
Last updated
Nov 21, 2024
Weakness Type
- CWE-20 Improper Input Validation
References
- exploithttp://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.html
- exploit20190212 KSA-DEV-001: CVE-2018-19524 : StackOverflow in Multiple Skyworth GPON HomeGateways and Optical Network terminals.
- exploit20190210 KSA-DEV-001: CVE-2018-19524 : StackOverflow in Multiple Skyworth GPON HomeGateways and Optical Network terminals.
- exploitExploitDB-46358
- exploit46358
FAQ
Common Questions.
An issue was discovered on Shenzhen Skyworth DT741 Converged Intelligent Terminal (G/EPON+IPTV) SDOTBGN1, DT721-cb SDOTBGN1, and DT741-cb SDOTBGN1 devices.
Affected: Dt721-Cb Firmware (Skyworthdigital) versions sdotbgn1; Dt740 Firmware (Skyworthdigital) versions sdotbgn1; Dt741-Cb Firmware (Skyworthdigital) versions sdotbgn1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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