connoppp.cgi on ZTE ZXDSL 831CII devices does not require HTTP Basic Authentication, which allows remote attackers to modify the PPPoE configuration or set up a malicious configuration via a GET request
Published Dec 1, 2017
7.5
HIGHCVSS 3.0
EPSS 11.26%
Description
connoppp.cgi on ZTE ZXDSL 831CII devices does not require HTTP Basic Authentication, which allows remote attackers to modify the PPPoE configuration or set up a malicious configuration via a GET request.
Affected products
No data.
- n/a
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.26% (0.11261) | 95.84th | v5 (v2026.06.15) |
| Sep 22, 2026 | 11.26% (0.11261) | 95.77th | v5 (v2026.06.15) |
| Sep 21, 2026 | 8.50% (0.08501) | 94.86th | v5 (v2026.06.15) |
| Sep 6, 2026 | 11.26% (0.11261) | 95.67th | v5 (v2026.06.15) |
| Sep 5, 2026 | 8.50% (0.08501) | 94.74th | v5 (v2026.06.15) |
| Aug 30, 2026 | 11.26% (0.11261) | 95.65th | v5 (v2026.06.15) |
| Aug 28, 2026 | 8.50% (0.08501) | 94.71th | v5 (v2026.06.15) |
| Aug 24, 2026 | 11.26% (0.11261) | 95.63th | v5 (v2026.06.15) |
| Aug 23, 2026 | 8.50% (0.08501) | 94.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.26% (0.11261) | 95.39th | v5 (v2026.06.15) |
| Sep 29, 2025 | 18.12% (0.18122) | 94.96th | v4 (v2025.03.14) |
| Mar 30, 2025 | 27.82% (0.27817) | 96.04th | v4 (v2025.03.14) |
| Mar 29, 2025 | 22.83% (0.22829) | 93.35th | v4 (v2025.03.14) |
| Mar 17, 2025 | 27.82% (0.27817) | 96.04th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.76% (0.01763) | 87.67th | v3 (v2023.03.01) |
| Mar 6, 2024 | 3.15% (0.03148) | 90.83th | v3 (v2023.03.01) |
| May 15, 2023 | 4.39% (0.04392) | 91.12th | v3 (v2023.03.01) |
| Apr 24, 2023 | 6.09% (0.06090) | 92.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.16% (0.07163) | 92.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.53% (0.04526) | 76.76th | v1 |
| Jan 6, 2022 | 4.53% (0.04526) | 76.54th | v1 |
| Sep 1, 2021 | 4.53% (0.04526) | 84.50th | v1 |
| Apr 14, 2021 | 4.53% (0.04526) | 0.00th | v1 |
References (3)
- http://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831-Unauthorized-Configuration-Access-Bypass.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1008762 x_refsource_CONFIRM
- https://www.exploit-db.com/exploits/43188/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831-Unauthorized-Configuration-Access-Bypass.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1008762 | x_refsource_CONFIRM | |
| https://www.exploit-db.com/exploits/43188/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.