Arbitrary code execution via hard-coded firmware password
Published Oct 13, 2025 · Updated Oct 14, 2025
Improper firmware authentication in Tenda RP3 Pro 22.5.7.0 through 22.5.7.93 allows local users to execute arbitrary code via a crafted image. force_upgrade.sh extracts force_upgrade_pwd from force_upgrade_info at byte offset 20 and compares it with the fixed current_force_upgrade_pwd value. High-privilege local access is required to upload a matching compromised image, which can replace device firmware or interrupt service.
Summary
What happened
Improper firmware authentication in Tenda RP3 Pro 22.5.7.0 through 22.5.7.93 allows local users to execute arbitrary code via a crafted image. force_upgrade.sh extracts force_upgrade_pwd from force_upgrade_info at byte offset 20 and compares it with the fixed current_force_upgrade_pwd value. High-privilege local access is required to upload a matching compromised image, which can replace device firmware or interrupt service.
The record
- CVE
- CVE-2025-11666
- Published
- Oct 13, 2025
- Updated
- Oct 14, 2025
- Vendor
- Shenzhen Tenda Technology Co., Ltd.
- Product
- RP3 Pro
- Classifications
- CWE-255, CWE-259, T1601.001
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Oct 13, 2025CVE publishedPublication date reported by the CVE source.
- Oct 14, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=22.5.7.0
- Affected versionversion=22.5.7.1
- Affected versionversion=22.5.7.10
- Affected versionversion=22.5.7.11
- Affected versionversion=22.5.7.12
- Affected versionversion=22.5.7.13
- Affected versionversion=22.5.7.14
- Affected versionversion=22.5.7.15
- Affected versionversion=22.5.7.16
- Affected versionversion=22.5.7.17
- Affected versionversion=22.5.7.18
- Affected versionversion=22.5.7.19
- Affected versionversion=22.5.7.2
- Affected versionversion=22.5.7.20
- Affected versionversion=22.5.7.21
- Affected versionversion=22.5.7.22
- Affected versionversion=22.5.7.23
- Affected versionversion=22.5.7.24
- Affected versionversion=22.5.7.25
- Affected versionversion=22.5.7.26
- Affected versionversion=22.5.7.27
- Affected versionversion=22.5.7.28
- Affected versionversion=22.5.7.29
- Affected versionversion=22.5.7.3
- Affected versionversion=22.5.7.30
- Affected versionversion=22.5.7.31
- Affected versionversion=22.5.7.32
- Affected versionversion=22.5.7.33
- Affected versionversion=22.5.7.34
- Affected versionversion=22.5.7.35
- Affected versionversion=22.5.7.36
- Affected versionversion=22.5.7.37
- Affected versionversion=22.5.7.38
- Affected versionversion=22.5.7.39
- Affected versionversion=22.5.7.4
- Affected versionversion=22.5.7.40
- Affected versionversion=22.5.7.41
- Affected versionversion=22.5.7.42
- Affected versionversion=22.5.7.43
- Affected versionversion=22.5.7.44
- Affected versionversion=22.5.7.45
- Affected versionversion=22.5.7.46
- Affected versionversion=22.5.7.47
- Affected versionversion=22.5.7.48
- Affected versionversion=22.5.7.49
- Affected versionversion=22.5.7.5
- Affected versionversion=22.5.7.50
- Affected versionversion=22.5.7.51
- Affected versionversion=22.5.7.52
- Affected versionversion=22.5.7.53
- Affected versionversion=22.5.7.54
- Affected versionversion=22.5.7.55
- Affected versionversion=22.5.7.56
- Affected versionversion=22.5.7.57
- Affected versionversion=22.5.7.58
- Affected versionversion=22.5.7.59
- Affected versionversion=22.5.7.6
- Affected versionversion=22.5.7.60
- Affected versionversion=22.5.7.61
- Affected versionversion=22.5.7.62
- Affected versionversion=22.5.7.63
- Affected versionversion=22.5.7.64
- Affected versionversion=22.5.7.65
- Affected versionversion=22.5.7.66
- Affected versionversion=22.5.7.67
- Affected versionversion=22.5.7.68
- Affected versionversion=22.5.7.69
- Affected versionversion=22.5.7.7
- Affected versionversion=22.5.7.70
- Affected versionversion=22.5.7.71
- Affected versionversion=22.5.7.72
- Affected versionversion=22.5.7.73
- Affected versionversion=22.5.7.74
- Affected versionversion=22.5.7.75
- Affected versionversion=22.5.7.76
- Affected versionversion=22.5.7.77
- Affected versionversion=22.5.7.78
- Affected versionversion=22.5.7.79
- Affected versionversion=22.5.7.8
- Affected versionversion=22.5.7.80
- Affected versionversion=22.5.7.81
- Affected versionversion=22.5.7.82
- Affected versionversion=22.5.7.83
- Affected versionversion=22.5.7.84
- Affected versionversion=22.5.7.85
- Affected versionversion=22.5.7.86
- Affected versionversion=22.5.7.87
- Affected versionversion=22.5.7.88
- Affected versionversion=22.5.7.89
- Affected versionversion=22.5.7.9
- Affected versionversion=22.5.7.90
- Affected versionversion=22.5.7.91
- Affected versionversion=22.5.7.92
- Affected versionversion=22.5.7.93
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- RP3 firmware authentication bypass disclosureproof of concept · unverified
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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