The Chuango 433 MHz burglar-alarm product line uses static codes in the RF remote control, allowing an attacker to arm, disarm, or trigger t
The Chuango 433 MHz burglar-alarm product line uses static codes in the RF remote control, allowing an attacker to arm, disarm, or trigger the alarm remotely via replay attacks, as demonstrated by Chuango branded products, and non-Chuango branded products such as the Eminent EM8617 OV2 Wifi Alarm System.
- Published
- Mar 11, 2019
- Updated
- Jun 16, 2026
- EPSS
- 1.3% · 70th percentile
- CWE
- CWE-294
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
36
Monitor
Low priority for now.
- CVSS
- 36 / 40 · 9.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| chuango | wifi alarm system firmware | cpe:2.3:o:chuango:wifi_alarm_system_firmware |
| chuango | wifi alarm system | cpe:2.3:h:chuango:wifi_alarm_system |
| chuango | wifi\/cellular smart home system h4 plus firmware | cpe:2.3:o:chuango:wifi\/cellular_smart_home_system_h4_plus_firmware |
| chuango | wifi\/cellular smart home system h4 plus | cpe:2.3:h:chuango:wifi\/cellular_smart_home_system_h4_plus |
| chuango | awv plus wifi alarm system firmware | cpe:2.3:o:chuango:awv_plus_wifi_alarm_system_firmware |
| chuango | awv plus wifi alarm system | cpe:2.3:h:chuango:awv_plus_wifi_alarm_system |
| chuango | g5w 3g firmware | cpe:2.3:o:chuango:g5w_3g_firmware |
| chuango | g5w 3g | cpe:2.3:h:chuango:g5w_3g |
| chuango | g5 plus gsm\/sms\/rfid touch alarm system firmware | cpe:2.3:o:chuango:g5_plus_gsm\/sms\/rfid_touch_alarm_system_firmware |
| chuango | g5 plus gsm\/sms\/rfid touch alarm system | cpe:2.3:h:chuango:g5_plus_gsm\/sms\/rfid_touch_alarm_system |
| chuango | g3 gsm\/sms alarm system firmware | cpe:2.3:o:chuango:g3_gsm\/sms_alarm_system_firmware |
| chuango | g3 gsm\/sms alarm system | cpe:2.3:h:chuango:g3_gsm\/sms_alarm_system |
and 10 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- chuango a11 pstn/lcd/rfid touch alarm system firmwareall versions
- chuango a8 pstn alarm system firmwareall versions
- chuango awv plus wifi alarm system firmwareall versions
- chuango b11 dual-network alarm system firmwareall versions
- chuango cg-105s on-site alarm system firmwareall versions
- chuango g3 gsm/sms alarm system firmwareall versions
- chuango g5 plus gsm/sms/rfid touch alarm system firmwareall versions
- chuango g5w 3g firmwareall versions
- chuango wifi alarm system firmwareall versions
- chuango wifi/cellular smart home system h4 plus firmwareall versions
- eminent em8617 ov2 wifi alarm system firmwareall versions
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-294 · Authentication Bypass by Capture-replayCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Session SidejackingCAPEC-102likelihood: High · High
- KerberoastingCAPEC-509High
- Remote Services with Stolen CredentialsCAPEC-555Very High
- Windows Admin Shares with Stolen CredentialsCAPEC-561
- Reusing Session IDs (aka Session Replay)CAPEC-60likelihood: High · High
- Use of Captured Hashes (Pass The Hash)CAPEC-644likelihood: Medium · High
- Use of Captured Tickets (Pass The Ticket)CAPEC-645likelihood: Low · High
- Use of Known Kerberos CredentialsCAPEC-652likelihood: Medium · High
ATT&CK techniques
- Remote ServicesT1021
- Remote Services:SMB/Windows Admin SharesT1021.002
- Email Collection:Remote Email CollectionT1114.002
- External Remote ServicesT1133
- Access Token Manipulation:Token Impersonation/TheftT1134.001
- Use Alternate Authentication Material:Pass The HashT1550.002
- Use Alternate Authentication Material:Pass The TicketT1550.003
- Use Alternate Authentication Material:Web Session CookieT1550.004
- Adversary-in-the-MiddleT1557
- Steal or Forge Kerberos TicketsT1558
- Steal or Forge Kerberos Tickets:KerberoastingT1558.003
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.