CVE-2026-129105: Shenzhen Cudy Technology TR3000 1.0 · CRLF Injection
Affects Shenzhen Cudy Technology TR3000 1.0Source CVE Database V5
Not known to be exploited · CVSS 7.0 High : upgrade to 2.5.42 soon.
Data as of 13 Nov 2026, 15:48 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 7.0 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 6.5 |
- Patch
- Available – fixed in 2.5.42
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 13 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade Shenzhen Cudy Technology TR3000 1.0 to 2.5.42.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Shenzhen Cudy Technology Co., Ltd.TR3000 1.0 | Affected
| Fixed in
|
AI-suggested
Upgrade affected devices to version 2.5.42 or later, where the vulnerability is fixed. No other mitigation or temporary workaround is indicated by the vendor advisory.
Description
CVE-2026-129105 is a high-severity vulnerability in Shenzhen Cudy Technology Co., Ltd's TR3000 device before version 2.5.42. It involves improper neutralization of CRLF sequences, allowing authenticated administrators to inject arbitrary pppd options via crafted L2TP credentials. This can lead to unauthorized modification of pppd options files and potentially affect the root pppd process. The issue is fixed in version 2.5.42.
References
- cudy.com/en-us/pages/download-center/tr3000-1-0 (opens in a new tab)
- d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip (opens in a new tab)
- vulncheck.com/advisories/cudy-tr3000-before-2.5.42-pppd-option-injection-via-net-set-wan-l2tp-credentials (opens in a new tab)