A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted authorization request
Published Jan 11, 2023
6.5
MEDIUMCVSS 3.1
EPSS 0.62%
Description
A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted authorization request.
Affected products
-
- Version < V1.15(ACCC.3)C0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Zyxel | NR7101 firmware | unaffected |
|
Configuration 1
- n/a
Running on/with
- n/a
Configuration 2
- n/a
Running on/with
- n/a
Configuration 3
- n/a
Running on/with
- n/a
Configuration 4
- n/a
Running on/with
- n/a
Configuration 5
- n/a
Running on/with
- n/a
Configuration 6
- < 1.00\(abra.6\)c0
Running on/with
- n/a
Configuration 7
- n/a
Running on/with
- n/a
Configuration 8
- n/a
Running on/with
- n/a
Configuration 9
- < 1.00\(abqy.5\)c0
Running on/with
- n/a
Configuration 10
- < 1.15\(acca.3\)c0
Running on/with
- n/a
Configuration 11
- < 1.15\(acev.3\)c0
Running on/with
- n/a
Configuration 12
- < 1.15\(accg.3\)c0
Running on/with
- n/a
Configuration 13
- < 1.15\(accc.3\)c0
Running on/with
- n/a
Configuration 14
- < 1.00\(abvc.6\)c0
Configuration 15
- < 1.00\(abuv.7\)c0
Configuration 16
- < 1.00\(abyd.2\)c0
Configuration 17
- n/a
Configuration 18
- n/a
Configuration 19
- n/a
Configuration 20
- n/a
Running on/with
- n/a
Configuration 21
- n/a
Running on/with
- n/a
Configuration 22
- n/a
Running on/with
- n/a
Configuration 23
- n/a
Configuration 24
- < 5.17\(abup.7\)c0
Configuration 25
- n/a
Configuration 26
- n/a
Configuration 27
- < 5.17\(abqx.7\)c0
Configuration 28
- n/a
Configuration 29
- n/a
Configuration 30
- n/a
Configuration 31
- n/a
Configuration 32
- n/a
Running on/with
- n/a
Configuration 33
- n/a
Running on/with
- n/a
Configuration 34
- n/a
Running on/with
- n/a
Configuration 35
- n/a
Running on/with
- n/a
Configuration 36
- n/a
Running on/with
- n/a
Configuration 37
- n/a
Configuration 38
- n/a
Configuration 39
- n/a
Configuration 40
- n/a
Configuration 41
- n/a
Configuration 42
- n/a
Running on/with
- n/a
Configuration 43
- n/a
Running on/with
- n/a
Configuration 44
- n/a
Configuration 45
- n/a
Configuration 46
- n/a
Configuration 47
- n/a
Configuration 48
- 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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jan 8, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.62% (0.00619) | 47.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.62% (0.00624) | 45.01th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00241) | 45.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00075) | 34.39th | v3 (v2023.03.01) |
| Jan 17, 2024 | 0.07% (0.00073) | 30.14th | v3 (v2023.03.01) |
| Dec 11, 2023 | 0.05% (0.00053) | 18.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 11.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Jan 11, 2023 | 0.89% (0.00885) | 27.27th | v2 (v2022.01.01) |
References (1)
Change history (0)
No recorded changes yet.