CVE-2021-34587
Bender Charge Controller: Long URL could lead to webserver crash
MEDIUM
5.3
CVSS Score
Published: April 27, 2022 at 03:15 PM UTC
Updated: June 17, 2026 at 03:56 AM UTC
13 products affected across 3 vendorsICC15XX FirmwareCC612 FirmwareICC16XX Firmware
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.9%
Description
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
5.11.0 ≤ v < 5.11.25.12.0 ≤ v < 5.12.55.13.0 ≤ v < 5.13.25.20.0 ≤ v < 5.20.2
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
bender-cc612 (same device)
5.11.0 ≤ v < 5.11.25.12.0 ≤ v < 5.12.55.13.0 ≤ v < 5.13.25.20.0 ≤ v < 5.20.2
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
bender-cc613 (same device)
5.11.0 ≤ v < 5.11.25.12.0 ≤ v < 5.12.55.13.0 ≤ v < 5.13.25.20.0 ≤ v < 5.20.2
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
bender-icc15xx (same device)
5.11.0 ≤ v < 5.11.25.12.0 ≤ v < 5.12.55.13.0 ≤ v < 5.13.25.20.0 ≤ v < 5.20.2
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
bender-icc16xx (same device)
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert.vde.com/en/advisories/VDE-2021-047CVSS
5.3MEDIUMCERTVDE
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-121CWE-787
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