ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), do not use a salt when calculating an MD5 password hash, which makes it easier for attackers to crack passwords
Published Mar 26, 2008
7.5
HIGHCVSS 3.1
EPSS 0.89%
Description
ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), do not use a salt when calculating an MD5 password hash, which makes it easier for attackers to crack passwords.
Affected products
No data.
Configuration 1
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 2
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 3
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 4
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 5
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 6
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 7
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 8
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 9
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 10
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 11
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 12
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 13
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 14
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 15
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 16
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 17
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Configuration 18
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
Running on/with
- n/a
Configuration 19
- ≥ 3.40\(agd.2\) · ≤ 3.40\(ahq.3\)
- 3.40\(pe9\)
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:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.89% (0.00890) | 57.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.89% (0.00890) | 54.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00243) | 45.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00255) | 65.83th | v3 (v2023.03.01) |
| Feb 15, 2024 | 0.22% (0.00218) | 58.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00132) | 46.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
References (3)
- http://www.gnucitizen.org/projects/router-hacking-challenge/ x_refsource_MISCBroken Link
- http://www.procheckup.com/Hacking_ZyXEL_Gateways.pdf x_refsource_MISCBroken Link
- http://www.securityfocus.com/archive/1/489009/100/0/threaded mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.gnucitizen.org/projects/router-hacking-challenge/ | x_refsource_MISCBroken Link | |
| http://www.procheckup.com/Hacking_ZyXEL_Gateways.pdf | x_refsource_MISCBroken Link | |
| http://www.securityfocus.com/archive/1/489009/100/0/threaded | mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.