UsbCharger.dll in the Energizer DUO USB battery charger software contains a backdoor that is implemented through the Arucer.dll file in the %WINDIR%\system32 directory, which allows remote attackers to download arbitrary programs onto a Windows PC, and execute these programs, via a request to TCP port 7777
Published Mar 9, 2010
9.3
HIGHCVSS 2.0
EPSS 27.34%
Description
UsbCharger.dll in the Energizer DUO USB battery charger software contains a backdoor that is implemented through the Arucer.dll file in the %WINDIR%\system32 directory, which allows remote attackers to download arbitrary programs onto a Windows PC, and execute these programs, via a request to TCP port 7777.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 27.34% (0.27338) | 98.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 27.34% (0.27338) | 97.80th | v5 (v2026.06.15) |
| Mar 30, 2025 | 76.78% (0.76775) | 98.89th | v4 (v2025.03.14) |
| Mar 29, 2025 | 75.29% (0.75290) | 98.55th | v4 (v2025.03.14) |
| Mar 19, 2025 | 76.78% (0.76775) | 98.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 78.84% (0.78844) | 99.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 87.08% (0.87079) | 98.75th | v3 (v2023.03.01) |
| Sep 17, 2024 | 86.80% (0.86800) | 98.67th | v3 (v2023.03.01) |
| May 24, 2024 | 92.93% (0.92931) | 99.03th | v3 (v2023.03.01) |
| May 10, 2024 | 92.45% (0.92454) | 98.96th | v3 (v2023.03.01) |
| Apr 25, 2024 | 91.69% (0.91694) | 98.87th | v3 (v2023.03.01) |
| Apr 12, 2024 | 90.97% (0.90973) | 98.80th | v3 (v2023.03.01) |
| Mar 15, 2024 | 91.04% (0.91038) | 98.78th | v3 (v2023.03.01) |
| Feb 8, 2024 | 89.33% (0.89326) | 98.63th | v3 (v2023.03.01) |
| Jan 26, 2024 | 94.17% (0.94170) | 99.01th | v3 (v2023.03.01) |
| Dec 13, 2023 | 93.84% (0.93841) | 98.92th | v3 (v2023.03.01) |
| Oct 31, 2023 | 94.19% (0.94187) | 98.92th | v3 (v2023.03.01) |
| Sep 18, 2023 | 94.70% (0.94697) | 98.95th | v3 (v2023.03.01) |
| Aug 5, 2023 | 94.96% (0.94957) | 98.96th | v3 (v2023.03.01) |
| Jun 23, 2023 | 95.56% (0.95558) | 99.08th | v3 (v2023.03.01) |
| May 10, 2023 | 95.76% (0.95757) | 99.08th | v3 (v2023.03.01) |
| Mar 26, 2023 | 95.39% (0.95395) | 98.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.51% (0.95511) | 98.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 71.79% (0.71790) | 99.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 71.79% (0.71790) | 99.06th | v2 (v2022.01.01) |
References (4)
- http://www.kb.cert.org/vuls/id/154421 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.marketwatch.com/story/energizer-announces-duo-charger-and-usb-charger-software-problem-2010-03-05 x_refsource_MISC
- http://www.securityfocus.com/bid/38571 vdb-entryx_refsource_BIDExploit
- http://www.symantec.com/connect/blogs/trojan-found-usb-battery-charger-software x_refsource_MISCExploit
| Link | Providers | Tags |
|---|---|---|
| http://www.kb.cert.org/vuls/id/154421 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.marketwatch.com/story/energizer-announces-duo-charger-and-usb-charger-software-problem-2010-03-05 | x_refsource_MISC | |
| http://www.securityfocus.com/bid/38571 | vdb-entryx_refsource_BIDExploit | |
| http://www.symantec.com/connect/blogs/trojan-found-usb-battery-charger-software | x_refsource_MISCExploit |
Change history (0)
No recorded changes yet.